T4 auto-runs shipped-mod suites ROM-free: the test now uses T.fixtures.fresh() (FIXMON_A) with the level assertion derived from the growth curve, and the now-covered event:save.loaded DEBT entry is removed as gate_meta_coverage instructs. All four CI jobs reproduced green on a ROM-free checkout.
Pokéwalker (Apple Health) — a Gen1Recomp mod
Your real-world steps become EXP for your Pokémon party — the HeartGold/ SoulSilver Pokéwalker, except it's the iPhone already in your pocket.
A mod for gen1recomp (the Gen 1 Recompilation Project). Opt-in, data-safe, and dormant on any platform that doesn't provide the native step source (see Requirements).
Install
Grab pokewalker-<version>.modpkg from
Releases
(or use GitHub's Code → Download ZIP — the importer handles both), then:
- In the launcher: MODS tab → Import mod .zip → pick the file, or drag it onto the window on desktop.
- iOS: you can also drop the zip into the app's folder in the Files app; it installs on next launch.
Then, in the mod manager → POKEWALKER → options, turn on SYNC STEPS. iOS asks for read-only access to your step count the first time.
Options
| Option | Values | Default |
|---|---|---|
| SYNC STEPS | on / off | off |
| STEPS PER EXP | 10 / 20 / 50 | 20 |
| GIVE EXP TO | lead mon / whole party (split) | lead mon |
Mechanics & guardrails
- EXP applies through the engine's own growth curves and rare-candy stat math, so levels, stats, and HP top-ups are exact.
- Steps are anchored to the last sync — the same walk is never credited twice — and any single sync is clamped to 50,000 steps.
- The engine
levelCapconstant is respected. - Credits land at quiet moments (save load, map change, battle end) with a walk-report textbox.
Requirements
The Lua mod is platform-neutral, but it feeds on a native step bridge that currently ships in an iOS build of gen1recomp. Without the bridge the mod loads and stays dormant — safe to install anywhere.
The bridge contract (for porters)
Any platform can light this mod up by providing:
-
love.system.syncHealthSteps()→boolean— kick off an async step query (requesting OS permission on first use). On completion, writesteps_pending.jsonto the LÖVE save directory:{ "steps": 4312, "from": "2026-07-30T08:00:00Z", "to": "2026-07-30T17:00:00Z" }Count steps from a persisted anchor (last successful sync) so a walk is never delivered twice, and merge with an unconsumed pending file rather than overwriting it. The mod consumes and deletes the file.
The reference iOS implementation is a small Swift class (HealthKit
HKStatisticsQuery over stepCount) exposed to Lua through a one-line
wrap_System.cpp addition. Open an issue here if you're porting the
bridge (Android: Health Connect / Google Fit would slot straight in).
Known limitations (v1)
- Level-ups granted while walking don't prompt for new moves, and level evolutions wait for the next in-battle level — same behavior as over-leveling with rare candies.
- Steps sync on launch/activation; no background delivery yet.
Developing
From a gen1recomp checkout with this mod at mods/pokewalker and an
imported data cache:
luajit mods/pokewalker/tests/pokewalker_test.lua
python3 tools/modkit.py validate mods/pokewalker --base imported
python3 tools/modkit.py pack mods/pokewalker
License
MIT — see LICENSE. Not affiliated with Nintendo, Game Freak,
or The Pokémon Company. This mod contains no ROM-derived content
(modkit lint clean).