diff --git a/src/scripts/boot.lua b/src/scripts/boot.lua
index 11c2e6086..134ff2f66 100644
--- a/src/scripts/boot.lua
+++ b/src/scripts/boot.lua
@@ -1272,7 +1272,13 @@ function love.nogame()
 	local g_time = 0
 
 	function love.load()
-		love.graphics.setBackgroundColor(137, 194, 218)
+		-- Subtractive blending isn't supported on some ancient systems, so
+		-- we should make sure it still looks decent in that case.
+		if love.graphics.isSupported("subtractive") then
+			love.graphics.setBackgroundColor(137, 194, 218)
+		else
+			love.graphics.setBackgroundColor(11, 88, 123)
+		end
 
 		local win_w = love.graphics.getWidth()
 		local win_h = love.graphics.getHeight()
@@ -1308,7 +1314,6 @@ function love.nogame()
 		rain.ox = -rain.img_w / 2
 		rain.oy = -rain.img_h / 2
 		rain.batch = love.graphics.newSpriteBatch(rain.image, 512)
-
 	end
 
 	local function update_rain(t)
@@ -1356,9 +1361,16 @@ function love.nogame()
 	end
 
 	local function draw_grid()
-		love.graphics.setBlendMode("subtractive")
+		local blendmode = "subtractive"
+		if not love.graphics.isSupported("subtractive") then
+			-- We also change the background color in this case, so it looks OK.
+			blendmode = "additive"
+		end
+
+		love.graphics.setBlendMode(blendmode)
 		love.graphics.setColor(255, 255, 255, 128)
 		love.graphics.draw(rain.batch, -rain.spacing_x, -rain.spacing_y, 0, 0.5, 0.5)
+
 		love.graphics.setBlendMode("alpha")
 		love.graphics.setColor(255, 255, 255, 255)
 		love.graphics.draw(rain.batch, -rain.spacing_x, -rain.spacing_y)
diff --git a/src/scripts/boot.lua.h b/src/scripts/boot.lua.h
index 8c5d50abd..f904b4642 100644
--- a/src/scripts/boot.lua.h
+++ b/src/scripts/boot.lua.h
@@ -4737,9 +4737,25 @@ const unsigned char boot_lua[] =
 	0x09, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x20, 0x67, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x20, 0x3d, 0x20, 0x30, 0x0a,
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 	0x64, 0x28, 0x29, 0x0a,
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+	0x09, 0x09, 0x65, 0x6c, 0x73, 0x65, 0x0a,
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+	0x09, 0x09, 0x65, 0x6e, 0x64, 0x0a,
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@@ -4884,9 +4900,21 @@ const unsigned char boot_lua[] =
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