diff --git a/lib/features/entities/collectible.dart b/lib/features/entities/collectible.dart
index bfa1bf4..e48e789 100644
--- a/lib/features/entities/collectible.dart
+++ b/lib/features/entities/collectible.dart
@@ -32,8 +32,9 @@ class Collectible extends Entity {
     int objId,
     double x,
     double y,
-    Difficulty _,
-  ) {
+    Difficulty difficulty, {
+    bool isSharewareMode = false,
+  }) {
     if (isCollectible(objId)) {
       return Collectible(
         x: x,
diff --git a/lib/features/entities/decorative.dart b/lib/features/entities/decorative.dart
index 4404cb7..252e2c4 100644
--- a/lib/features/entities/decorative.dart
+++ b/lib/features/entities/decorative.dart
@@ -39,8 +39,9 @@ class Decorative extends Entity {
     int objId,
     double x,
     double y,
-    Difficulty _,
-  ) {
+    Difficulty difficulty, {
+    bool isSharewareMode = false,
+  }) {
     if (isDecoration(objId)) {
       return Decorative(
         x: x,
diff --git a/lib/features/entities/enemies/bosses/hans_grosse.dart b/lib/features/entities/enemies/bosses/hans_grosse.dart
index 590b289..cc7a6da 100644
--- a/lib/features/entities/enemies/bosses/hans_grosse.dart
+++ b/lib/features/entities/enemies/bosses/hans_grosse.dart
@@ -35,8 +35,9 @@ class HansGrosse extends Enemy {
     int objId,
     double x,
     double y,
-    Difficulty difficulty,
-  ) {
+    Difficulty difficulty, {
+    bool isSharewareMode = false,
+  }) {
     if (objId == MapObject.bossHansGrosse) {
       return HansGrosse(
         x: x,
diff --git a/lib/features/entities/enemies/dog.dart b/lib/features/entities/enemies/dog.dart
index 147e49e..7f2d52c 100644
--- a/lib/features/entities/enemies/dog.dart
+++ b/lib/features/entities/enemies/dog.dart
@@ -1,37 +1,26 @@
 import 'dart:math' as math;
 
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/enemies/enemy.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
-import 'package:wolf_dart/features/entities/map_objects.dart'; // NEW
 
 class Dog extends Enemy {
   static const double speed = 0.05;
   bool _hasBittenThisCycle = false;
 
+  static EnemyType get type => EnemyType.dog;
+
   Dog({
     required super.x,
     required super.y,
     required super.angle,
     required super.mapId,
   }) : super(
-         spriteIndex: EnemyType.dog.spriteBaseIdx,
+         spriteIndex: type.spriteBaseIdx,
          state: EntityState.idle,
-       );
-
-  static Dog? trySpawn(int objId, double x, double y, Difficulty _) {
-    if (EnemyType.dog.claimsMapId(objId)) {
-      bool isPatrolling = objId >= EnemyType.dog.mapBaseId + 18;
-
-      return Dog(
-        x: x,
-        y: y,
-        angle: MapObject.getAngle(objId),
-        mapId: objId,
-      )..state = isPatrolling ? EntityState.patrolling : EntityState.idle;
-    }
-    return null;
+       ) {
+    health = 1;
+    damage = 5;
   }
 
   @override
@@ -39,8 +28,8 @@ class Dog extends Enemy {
     required int elapsedMs,
     required Coordinate2D playerPosition,
     required bool Function(int x, int y) isWalkable,
-    required void Function(int x, int y) tryOpenDoor,
     required void Function(int damage) onDamagePlayer,
+    required void Function(int x, int y) tryOpenDoor,
   }) {
     Coordinate2D movement = const Coordinate2D(0, 0);
     double newAngle = angle;
@@ -49,8 +38,6 @@ class Dog extends Enemy {
       elapsedMs: elapsedMs,
       playerPosition: playerPosition,
       isWalkable: isWalkable,
-      baseReactionMs: 100,
-      reactionVarianceMs: 200,
     );
 
     double distance = position.distanceTo(playerPosition);
@@ -61,7 +48,6 @@ class Dog extends Enemy {
     }
 
     double diff = angleToPlayer - newAngle;
-
     while (diff <= -math.pi) {
       diff += 2 * math.pi;
     }
@@ -69,72 +55,35 @@ class Dog extends Enemy {
       diff -= 2 * math.pi;
     }
 
-    int octant = ((diff + (math.pi / 8)) / (math.pi / 4)).floor() % 8;
-    if (octant < 0) octant += 8;
+    EnemyAnimation currentAnim = switch (state) {
+      EntityState.patrolling => EnemyAnimation.walking,
+      EntityState.attacking => EnemyAnimation.attacking,
+      EntityState.dead => isDying ? EnemyAnimation.dying : EnemyAnimation.dead,
+      _ => EnemyAnimation.idle,
+    };
 
-    // 3. Clean State Machine
-    switch (state) {
-      case EntityState.idle:
-        spriteIndex = 99 + octant;
-        break;
+    spriteIndex = type.getSpriteFromAnimation(
+      animation: currentAnim,
+      elapsedMs: elapsedMs,
+      lastActionTime: lastActionTime,
+      angleDiff: diff,
+    );
 
-      case EntityState.patrolling:
-        if (distance > 0.8) {
-          // UPGRADED: Smooth vector movement instead of grid-snapping
-          double moveX = math.cos(angleToPlayer) * speed;
-          double moveY = math.sin(angleToPlayer) * speed;
+    if (state == EntityState.patrolling && distance < 1.0) {
+      state = EntityState.attacking;
+      lastActionTime = elapsedMs;
+      _hasBittenThisCycle = false;
+    }
 
-          Coordinate2D intendedMovement = Coordinate2D(moveX, moveY);
-
-          movement = getValidMovement(
-            intendedMovement,
-            isWalkable,
-            tryOpenDoor,
-          );
-        }
-
-        int walkFrame = (elapsedMs ~/ 100) % 4;
-        spriteIndex = 107 + (walkFrame * 8) + octant;
-
-        if (distance < 1.0 && elapsedMs - lastActionTime > 1000) {
-          state = EntityState.attacking;
-          lastActionTime = elapsedMs;
-          _hasBittenThisCycle = false;
-        }
-        break;
-
-      case EntityState.attacking:
-        int timeAttacking = elapsedMs - lastActionTime;
-        if (timeAttacking < 200) {
-          spriteIndex = 139;
-          if (!_hasBittenThisCycle) {
-            onDamagePlayer(5);
-            _hasBittenThisCycle = true;
-          }
-        } else {
-          state = EntityState.patrolling;
-          lastActionTime = elapsedMs;
-        }
-        break;
-
-      // Make sure dogs have a death state so they don't stay standing!
-      case EntityState.dead:
-        if (isDying) {
-          int deathFrame = (elapsedMs - lastActionTime) ~/ 100;
-          if (deathFrame < 4) {
-            spriteIndex =
-                140 + deathFrame; // Dog death frames usually start here
-          } else {
-            spriteIndex = 143; // Dead dog on floor
-            isDying = false;
-          }
-        } else {
-          spriteIndex = 143;
-        }
-        break;
-
-      default:
-        break;
+    if (state == EntityState.attacking) {
+      int time = elapsedMs - lastActionTime;
+      if (time >= 200 && !_hasBittenThisCycle) {
+        onDamagePlayer(damage);
+        _hasBittenThisCycle = true;
+      } else if (time >= 400) {
+        state = EntityState.patrolling;
+        lastActionTime = elapsedMs;
+      }
     }
 
     return (movement: movement, newAngle: newAngle);
diff --git a/lib/features/entities/enemies/enemy.dart b/lib/features/entities/enemies/enemy.dart
index 1b6c243..d236ee3 100644
--- a/lib/features/entities/enemies/enemy.dart
+++ b/lib/features/entities/enemies/enemy.dart
@@ -1,7 +1,23 @@
 import 'dart:math' as math;
 
 import 'package:wolf_dart/classes/coordinate_2d.dart';
+import 'package:wolf_dart/features/difficulty/difficulty.dart';
+import 'package:wolf_dart/features/entities/enemies/dog.dart';
+import 'package:wolf_dart/features/entities/enemies/guard.dart';
+import 'package:wolf_dart/features/entities/enemies/mutant.dart';
+import 'package:wolf_dart/features/entities/enemies/officer.dart';
+import 'package:wolf_dart/features/entities/enemies/ss.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
+import 'package:wolf_dart/features/entities/map_objects.dart';
+
+enum EnemyAnimation {
+  idle,
+  walking,
+  attacking,
+  pain,
+  dying,
+  dead,
+}
 
 enum EnemyType {
   guard(mapBaseId: 108, spriteBaseIdx: 50),
@@ -44,6 +60,93 @@ enum EnemyType {
       EnemyType.officer => index >= 238 && index <= 287,
     };
   }
+
+  /// Returns the current animation state for a given sprite index.
+  /// Returns null if the sprite index does not belong to this enemy.
+  EnemyAnimation? getAnimationFromSprite(int spriteIndex) {
+    if (!claimsSpriteIndex(spriteIndex)) return null;
+
+    // By working with offsets, we don't have to hardcode the 100+ sprite indices!
+    int offset = spriteIndex - spriteBaseIdx;
+
+    // All standard enemies use offsets 0-7 for their 8 directional Idle frames
+    if (offset >= 0 && offset <= 7) return EnemyAnimation.idle;
+
+    // The action frames vary slightly depending on the enemy type
+    return switch (this) {
+      EnemyType.guard || EnemyType.ss => switch (offset) {
+        >= 8 && <= 39 => EnemyAnimation.walking, // 4 frames * 8 directions
+        >= 40 && <= 42 => EnemyAnimation.attacking, // Aim, Fire, Recoil
+        43 => EnemyAnimation.pain,
+        >= 44 && <= 46 => EnemyAnimation.dying,
+        _ => EnemyAnimation.dead, // Catch-all for final frames
+      },
+
+      EnemyType.officer || EnemyType.mutant => switch (offset) {
+        >= 8 && <= 39 => EnemyAnimation.walking,
+        >= 40 && <= 41 => EnemyAnimation.attacking, // Only 2 attack frames!
+        42 => EnemyAnimation.pain,
+        >= 43 && <= 45 => EnemyAnimation.dying,
+        _ => EnemyAnimation.dead,
+      },
+
+      EnemyType.dog => switch (offset) {
+        // Dogs are special: 3 walk frames (24 total) and NO pain frame!
+        >= 8 && <= 31 => EnemyAnimation.walking,
+        >= 32 && <= 34 => EnemyAnimation.attacking, // Leap and bite
+        >= 35 && <= 37 => EnemyAnimation.dying,
+        _ => EnemyAnimation.dead,
+      },
+    };
+  }
+
+  int getSpriteFromAnimation({
+    required EnemyAnimation animation,
+    required int elapsedMs,
+    required int lastActionTime,
+    double angleDiff = 0,
+    int? walkFrameOverride, // Optional for custom timing
+  }) {
+    // 1. Calculate Octant for directional sprites (Idle/Walk)
+    int octant = ((angleDiff + (math.pi / 8)) / (math.pi / 4)).floor() % 8;
+    if (octant < 0) octant += 8;
+
+    return switch (animation) {
+      EnemyAnimation.idle => spriteBaseIdx + octant,
+
+      EnemyAnimation.walking => () {
+        int frameCount = this == EnemyType.dog ? 3 : 4;
+        int frame = walkFrameOverride ?? (elapsedMs ~/ 150) % frameCount;
+        return (spriteBaseIdx + 8) + (frame * 8) + octant;
+      }(),
+
+      EnemyAnimation.attacking => () {
+        int time = elapsedMs - lastActionTime;
+        return switch (this) {
+          EnemyType.guard || EnemyType.ss || EnemyType.dog =>
+            spriteBaseIdx +
+                (time < 150
+                    ? 40
+                    : time < 300
+                    ? 41
+                    : 40),
+          EnemyType.officer ||
+          EnemyType.mutant => spriteBaseIdx + (time < 200 ? 40 : 41),
+        };
+      }(),
+
+      EnemyAnimation.pain => spriteBaseIdx + (this == EnemyType.dog ? 32 : 42),
+
+      EnemyAnimation.dying => () {
+        int frame = (elapsedMs - lastActionTime) ~/ 150;
+        int maxFrames = this == EnemyType.dog ? 2 : 3;
+        int offset = this == EnemyType.dog ? 35 : 43;
+        return spriteBaseIdx + offset + (frame.clamp(0, maxFrames));
+      }(),
+
+      EnemyAnimation.dead => spriteBaseIdx + (this == EnemyType.dog ? 37 : 45),
+    };
+  }
 }
 
 abstract class Enemy extends Entity {
@@ -216,4 +319,34 @@ abstract class Enemy extends Entity {
     required void Function(int x, int y) tryOpenDoor,
     required void Function(int damage) onDamagePlayer,
   });
+
+  /// Centralized factory to handle all enemy spawning logic
+  static Enemy? spawn(
+    int objId,
+    double x,
+    double y,
+    Difficulty difficulty, {
+    bool isSharewareMode = false,
+  }) {
+    // 1. Check Difficulty & Compatibility
+    if (!MapObject.shouldSpawn(objId, difficulty)) return null;
+
+    // If the checkbox is checked, block non-Shareware enemies
+    if (isSharewareMode && !MapObject.isSharewareCompatible(objId)) return null;
+
+    final type = EnemyType.fromMapId(objId);
+    if (type == null) return null;
+
+    bool isPatrolling = objId >= type.mapBaseId + 18;
+    double spawnAngle = MapObject.getAngle(objId);
+
+    // 2. Return the specific instance
+    return switch (type) {
+      EnemyType.guard => Guard(x: x, y: y, angle: spawnAngle, mapId: objId),
+      EnemyType.dog => Dog(x: x, y: y, angle: spawnAngle, mapId: objId),
+      EnemyType.ss => SS(x: x, y: y, angle: spawnAngle, mapId: objId),
+      EnemyType.mutant => Mutant(x: x, y: y, angle: spawnAngle, mapId: objId),
+      EnemyType.officer => Officer(x: x, y: y, angle: spawnAngle, mapId: objId),
+    }..state = isPatrolling ? EntityState.patrolling : EntityState.idle;
+  }
 }
diff --git a/lib/features/entities/enemies/guard.dart b/lib/features/entities/enemies/guard.dart
index fc00c7a..6fda7e4 100644
--- a/lib/features/entities/enemies/guard.dart
+++ b/lib/features/entities/enemies/guard.dart
@@ -1,39 +1,25 @@
 import 'dart:math' as math;
 
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/enemies/enemy.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
-import 'package:wolf_dart/features/entities/map_objects.dart';
 
 class Guard extends Enemy {
   static const double speed = 0.03;
   bool _hasFiredThisCycle = false;
 
+  static EnemyType get type => EnemyType.guard;
+
   Guard({
     required super.x,
     required super.y,
     required super.angle,
     required super.mapId,
   }) : super(
-         spriteIndex: EnemyType.guard.spriteBaseIdx,
+         spriteIndex: type.spriteBaseIdx,
          state: EntityState.idle,
        );
 
-  static Guard? trySpawn(int objId, double x, double y, Difficulty _) {
-    if (EnemyType.guard.claimsMapId(objId) && objId != 124 && objId != 125) {
-      bool isPatrolling = objId >= EnemyType.guard.mapBaseId + 18;
-
-      return Guard(
-        x: x,
-        y: y,
-        angle: MapObject.getAngle(objId),
-        mapId: objId,
-      )..state = isPatrolling ? EntityState.patrolling : EntityState.idle;
-    }
-    return null;
-  }
-
   @override
   ({Coordinate2D movement, double newAngle}) update({
     required int elapsedMs,
@@ -58,9 +44,8 @@ class Guard extends Enemy {
       newAngle = angleToPlayer;
     }
 
-    // Octant logic (Directional sprites)
+    // Calculate angle diff for the octant logic
     double diff = angleToPlayer - newAngle;
-
     while (diff <= -math.pi) {
       diff += 2 * math.pi;
     }
@@ -68,82 +53,32 @@ class Guard extends Enemy {
       diff -= 2 * math.pi;
     }
 
-    int octant = ((diff + (math.pi / 8)) / (math.pi / 4)).floor() % 8;
-    if (octant < 0) octant += 8;
+    // Helper to get sprite based on current state
+    EnemyAnimation currentAnim = switch (state) {
+      EntityState.patrolling => EnemyAnimation.walking,
+      EntityState.attacking => EnemyAnimation.attacking,
+      EntityState.pain => EnemyAnimation.pain,
+      EntityState.dead => isDying ? EnemyAnimation.dying : EnemyAnimation.dead,
+      _ => EnemyAnimation.idle,
+    };
 
-    // 3. State Machine
-    switch (state) {
-      case EntityState.idle:
-        spriteIndex = 50 + octant;
-        break;
+    spriteIndex = type.getSpriteFromAnimation(
+      animation: currentAnim,
+      elapsedMs: elapsedMs,
+      lastActionTime: lastActionTime,
+      angleDiff: diff,
+    );
 
-      case EntityState.patrolling:
-        if (distance > 0.8) {
-          double moveX = math.cos(angleToPlayer) * speed;
-          double moveY = math.sin(angleToPlayer) * speed;
-          Coordinate2D intendedMovement = Coordinate2D(moveX, moveY);
-
-          movement = getValidMovement(
-            intendedMovement,
-            isWalkable,
-            tryOpenDoor,
-          );
-        }
-
-        int walkFrame = (elapsedMs ~/ 150) % 4;
-        spriteIndex = 58 + (walkFrame * 8) + octant;
-
-        if (distance < 6.0 && elapsedMs - lastActionTime > 1500) {
-          if (hasLineOfSight(playerPosition, isWalkable)) {
-            state = EntityState.attacking;
-            lastActionTime = elapsedMs;
-            _hasFiredThisCycle = false;
-          }
-        }
-        break;
-
-      case EntityState.attacking:
-        int timeShooting = elapsedMs - lastActionTime;
-        if (timeShooting < 150) {
-          spriteIndex = 90; // Aiming
-        } else if (timeShooting < 300) {
-          spriteIndex = 91; // Firing
-          if (!_hasFiredThisCycle) {
-            onDamagePlayer(10);
-            _hasFiredThisCycle = true;
-          }
-        } else if (timeShooting < 450) {
-          spriteIndex = 90; // Recoil (back to aim pose)
-        } else {
-          state = EntityState.patrolling;
-          lastActionTime = elapsedMs;
-        }
-        break;
-
-      case EntityState.pain:
-        spriteIndex = 92; // Ouch frame
-        if (elapsedMs - lastActionTime > 250) {
-          state = EntityState.patrolling;
-          lastActionTime = elapsedMs;
-        }
-        break;
-
-      case EntityState.dead:
-        if (isDying) {
-          int deathFrame = (elapsedMs - lastActionTime) ~/ 150;
-          if (deathFrame < 3) {
-            spriteIndex = 93 + deathFrame; // Cycles 93, 94, 95
-          } else {
-            spriteIndex = 95; // Final dead frame
-            isDying = false;
-          }
-        } else {
-          spriteIndex = 95; // Final dead frame
-        }
-        break;
-
-      default:
-        break;
+    // Logic triggers (Damage, State transitions)
+    if (state == EntityState.attacking) {
+      int time = elapsedMs - lastActionTime;
+      if (time >= 150 && time < 300 && !_hasFiredThisCycle) {
+        onDamagePlayer(10);
+        _hasFiredThisCycle = true;
+      } else if (time >= 450) {
+        state = EntityState.patrolling;
+        lastActionTime = elapsedMs;
+      }
     }
 
     return (movement: movement, newAngle: newAngle);
diff --git a/lib/features/entities/enemies/mutant.dart b/lib/features/entities/enemies/mutant.dart
index 3e1a92a..a932da7 100644
--- a/lib/features/entities/enemies/mutant.dart
+++ b/lib/features/entities/enemies/mutant.dart
@@ -1,42 +1,28 @@
 import 'dart:math' as math;
 
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/enemies/enemy.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
-import 'package:wolf_dart/features/entities/map_objects.dart';
 
 class Mutant extends Enemy {
-  static const double speed = 0.045;
+  static const double speed = 0.04;
   bool _hasFiredThisCycle = false;
 
+  static EnemyType get type => EnemyType.mutant;
+
   Mutant({
     required super.x,
     required super.y,
     required super.angle,
     required super.mapId,
   }) : super(
-         spriteIndex: EnemyType.mutant.spriteBaseIdx,
+         spriteIndex: type.spriteBaseIdx,
          state: EntityState.idle,
        ) {
     health = 45;
     damage = 10;
   }
 
-  static Mutant? trySpawn(int objId, double x, double y, Difficulty _) {
-    if (EnemyType.mutant.claimsMapId(objId)) {
-      bool isPatrolling = objId >= EnemyType.mutant.mapBaseId + 18;
-
-      return Mutant(
-        x: x,
-        y: y,
-        angle: MapObject.getAngle(objId),
-        mapId: objId,
-      )..state = isPatrolling ? EntityState.patrolling : EntityState.idle;
-    }
-    return null;
-  }
-
   @override
   ({Coordinate2D movement, double newAngle}) update({
     required int elapsedMs,
@@ -48,7 +34,6 @@ class Mutant extends Enemy {
     Coordinate2D movement = const Coordinate2D(0, 0);
     double newAngle = angle;
 
-    // Mutants don't make wake-up noises in the original game!
     checkWakeUp(
       elapsedMs: elapsedMs,
       playerPosition: playerPosition,
@@ -62,6 +47,7 @@ class Mutant extends Enemy {
       newAngle = angleToPlayer;
     }
 
+    // Calculate angle diff for the octant logic
     double diff = angleToPlayer - newAngle;
     while (diff <= -math.pi) {
       diff += 2 * math.pi;
@@ -69,80 +55,31 @@ class Mutant extends Enemy {
     while (diff > math.pi) {
       diff -= 2 * math.pi;
     }
-    int octant = ((diff + (math.pi / 8)) / (math.pi / 4)).floor() % 8;
-    if (octant < 0) octant += 8;
 
-    switch (state) {
-      case EntityState.idle:
-        spriteIndex = EnemyType.mutant.spriteBaseIdx + octant;
-        break;
+    EnemyAnimation currentAnim = switch (state) {
+      EntityState.patrolling => EnemyAnimation.walking,
+      EntityState.attacking => EnemyAnimation.attacking,
+      EntityState.pain => EnemyAnimation.pain,
+      EntityState.dead => isDying ? EnemyAnimation.dying : EnemyAnimation.dead,
+      _ => EnemyAnimation.idle,
+    };
 
-      case EntityState.patrolling:
-        if (distance > 0.8) {
-          double moveX = math.cos(angleToPlayer) * speed;
-          double moveY = math.sin(angleToPlayer) * speed;
-          movement = getValidMovement(
-            Coordinate2D(moveX, moveY),
-            isWalkable,
-            tryOpenDoor,
-          );
-        }
+    spriteIndex = type.getSpriteFromAnimation(
+      animation: currentAnim,
+      elapsedMs: elapsedMs,
+      lastActionTime: lastActionTime,
+      angleDiff: diff,
+    );
 
-        int walkFrame = (elapsedMs ~/ 150) % 4;
-        spriteIndex =
-            (EnemyType.mutant.spriteBaseIdx + 8) + (walkFrame * 8) + octant;
-
-        if (distance < 6.0 && elapsedMs - lastActionTime > 1000) {
-          if (hasLineOfSight(playerPosition, isWalkable)) {
-            state = EntityState.attacking;
-            lastActionTime = elapsedMs;
-            _hasFiredThisCycle = false;
-          }
-        }
-        break;
-
-      case EntityState.attacking:
-        int timeShooting = elapsedMs - lastActionTime;
-        if (timeShooting < 150) {
-          spriteIndex = EnemyType.mutant.spriteBaseIdx + 46; // Aiming
-        } else if (timeShooting < 300) {
-          spriteIndex = EnemyType.mutant.spriteBaseIdx + 47; // Firing
-          if (!_hasFiredThisCycle) {
-            onDamagePlayer(damage);
-            _hasFiredThisCycle = true;
-          }
-        } else if (timeShooting < 450) {
-          spriteIndex = EnemyType.mutant.spriteBaseIdx + 48; // Recoil
-        } else {
-          state = EntityState.patrolling;
-          lastActionTime = elapsedMs;
-        }
-        break;
-
-      case EntityState.pain:
-        spriteIndex = EnemyType.mutant.spriteBaseIdx + 44;
-        if (elapsedMs - lastActionTime > 250) {
-          state = EntityState.patrolling;
-          lastActionTime = elapsedMs;
-        }
-        break;
-
-      case EntityState.dead:
-        if (isDying) {
-          int deathFrame = (elapsedMs - lastActionTime) ~/ 150;
-          if (deathFrame < 4) {
-            spriteIndex = (EnemyType.mutant.spriteBaseIdx + 40) + deathFrame;
-          } else {
-            spriteIndex = EnemyType.mutant.spriteBaseIdx + 45;
-            isDying = false;
-          }
-        } else {
-          spriteIndex = EnemyType.mutant.spriteBaseIdx + 45;
-        }
-        break;
-
-      default:
-        break;
+    if (state == EntityState.attacking) {
+      int time = elapsedMs - lastActionTime;
+      if (time >= 150 && !_hasFiredThisCycle) {
+        onDamagePlayer(damage);
+        _hasFiredThisCycle = true;
+      } else if (time >= 300) {
+        state = EntityState.patrolling;
+        lastActionTime = elapsedMs;
+      }
     }
 
     return (movement: movement, newAngle: newAngle);
diff --git a/lib/features/entities/enemies/officer.dart b/lib/features/entities/enemies/officer.dart
index 581a2a1..abaf4b9 100644
--- a/lib/features/entities/enemies/officer.dart
+++ b/lib/features/entities/enemies/officer.dart
@@ -1,10 +1,8 @@
 import 'dart:math' as math;
 
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/enemies/enemy.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
-import 'package:wolf_dart/features/entities/map_objects.dart';
 
 class Officer extends Enemy {
   static const double speed = 0.055;
@@ -23,20 +21,6 @@ class Officer extends Enemy {
     damage = 15;
   }
 
-  static Officer? trySpawn(int objId, double x, double y, Difficulty _) {
-    if (EnemyType.officer.claimsMapId(objId)) {
-      bool isPatrolling = objId >= EnemyType.officer.mapBaseId + 18;
-
-      return Officer(
-        x: x,
-        y: y,
-        angle: MapObject.getAngle(objId),
-        mapId: objId,
-      )..state = isPatrolling ? EntityState.patrolling : EntityState.idle;
-    }
-    return null;
-  }
-
   @override
   ({Coordinate2D movement, double newAngle}) update({
     required int elapsedMs,
diff --git a/lib/features/entities/enemies/ss.dart b/lib/features/entities/enemies/ss.dart
index e7329ab..e85001b 100644
--- a/lib/features/entities/enemies/ss.dart
+++ b/lib/features/entities/enemies/ss.dart
@@ -1,10 +1,8 @@
 import 'dart:math' as math;
 
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/enemies/enemy.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
-import 'package:wolf_dart/features/entities/map_objects.dart';
 
 class SS extends Enemy {
   static const double speed = 0.04;
@@ -23,20 +21,6 @@ class SS extends Enemy {
     damage = 20;
   }
 
-  static SS? trySpawn(int objId, double x, double y, Difficulty _) {
-    if (EnemyType.ss.claimsMapId(objId)) {
-      bool isPatrolling = objId >= EnemyType.ss.mapBaseId + 18;
-
-      return SS(
-        x: x,
-        y: y,
-        angle: MapObject.getAngle(objId),
-        mapId: objId,
-      )..state = isPatrolling ? EntityState.patrolling : EntityState.idle;
-    }
-    return null;
-  }
-
   @override
   ({Coordinate2D movement, double newAngle}) update({
     required int elapsedMs,
diff --git a/lib/features/entities/entity_registry.dart b/lib/features/entities/entity_registry.dart
index a27514e..488a5a2 100644
--- a/lib/features/entities/entity_registry.dart
+++ b/lib/features/entities/entity_registry.dart
@@ -2,12 +2,7 @@ import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/collectible.dart';
 import 'package:wolf_dart/features/entities/decorative.dart';
 import 'package:wolf_dart/features/entities/enemies/bosses/hans_grosse.dart';
-import 'package:wolf_dart/features/entities/enemies/dog.dart';
 import 'package:wolf_dart/features/entities/enemies/enemy.dart';
-import 'package:wolf_dart/features/entities/enemies/guard.dart';
-import 'package:wolf_dart/features/entities/enemies/mutant.dart';
-import 'package:wolf_dart/features/entities/enemies/officer.dart';
-import 'package:wolf_dart/features/entities/enemies/ss.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
 import 'package:wolf_dart/features/entities/map_objects.dart';
 
@@ -16,17 +11,14 @@ typedef EntitySpawner =
       int objId,
       double x,
       double y,
-      Difficulty difficulty,
-    );
+      Difficulty difficulty, {
+      bool isSharewareMode,
+    });
 
 abstract class EntityRegistry {
   static final List<EntitySpawner> _spawners = [
     // Enemies need to try to spawn first
-    Guard.trySpawn,
-    Officer.trySpawn,
-    SS.trySpawn,
-    Mutant.trySpawn,
-    Dog.trySpawn,
+    Enemy.spawn,
 
     // Bosses
     HansGrosse.trySpawn,
@@ -41,11 +33,15 @@ abstract class EntityRegistry {
     double x,
     double y,
     Difficulty difficulty,
-    int maxSprites,
-  ) {
+    int maxSprites, {
+    bool isSharewareMode = false,
+  }) {
     // 1. Difficulty check before even looking for a spawner
     if (!MapObject.shouldSpawn(objId, difficulty)) return null;
 
+    // If the checkbox is checked, block non-Shareware enemies
+    if (isSharewareMode && !MapObject.isSharewareCompatible(objId)) return null;
+
     if (objId == 0) return null;
 
     for (final spawner in _spawners) {
diff --git a/lib/features/map/wolf_map_parser.dart b/lib/features/map/wolf_map_parser.dart
index eec13ba..adc9dc0 100644
--- a/lib/features/map/wolf_map_parser.dart
+++ b/lib/features/map/wolf_map_parser.dart
@@ -9,7 +9,7 @@ abstract class WolfMapParser {
   static List<WolfLevel> parseMaps(
     ByteData mapHead,
     ByteData gameMaps, {
-    bool isShareware = false,
+    bool isShareware = true,
   }) {
     List<WolfLevel> levels = [];
 
diff --git a/lib/features/renderer/renderer.dart b/lib/features/renderer/renderer.dart
index bb7eb7a..4f54bec 100644
--- a/lib/features/renderer/renderer.dart
+++ b/lib/features/renderer/renderer.dart
@@ -109,6 +109,7 @@ class _WolfRendererState extends State<WolfRenderer>
             y + 0.5,
             widget.difficulty,
             gameMap.sprites.length,
+            isSharewareMode: isShareware,
           );
 
           if (newEntity != null) {