I fixed the slowness issue, and made the tetrominoes a little bigger. I did have to convert line endings, which I did in one commit.

README.md

@@ -1,7 +1,7 @@
-# Rainblocks
-
-A falling tetromino game for the Playdate.
-
-Music by [Holizna](https://freemusicarchive.org/music/holiznacc0/lo-fi-and-chill)
-
-Sound effects by [JDWasabi](https://jdwasabi.itch.io/8-bit-16-bit-sound-effects-pack), [ColorAlpha](https://coloralpha.itch.io/50-menu-interface-sfx), and [ObsydianX](https://obsydianx.itch.io/interface-sfx-pack-1)
+# Rainblocks
+
+A falling tetromino game for the Playdate.
+
+Music by [Holizna](https://freemusicarchive.org/music/holiznacc0/lo-fi-and-chill)
+
+Sound effects by [JDWasabi](https://jdwasabi.itch.io/8-bit-16-bit-sound-effects-pack), [ColorAlpha](https://coloralpha.itch.io/50-menu-interface-sfx), and [ObsydianX](https://obsydianx.itch.io/interface-sfx-pack-1)

main.lua

@@ -72,9 +72,12 @@ local setup = function()
 	Gfx.setDrawOffset(offsetX, offsetY)
 
 	local menu = playdate.getSystemMenu()
-	ModeOption = menu:addOptionsMenuItem("mode", { "regular", "dynamic", "chill" }, currentStage.mode, function(option)
+	ModeOption = menu:addOptionsMenuItem("mode", { "marathon", "dynamic", "chill" }, currentStage.mode, function(option)
 		currentStage:setMode(option)
 	end)
+	for l = 1, Stage.maxLevel, 1 do
+		table.insert(Stage.levelStrings, string.format("%02d", l))
+	end
 	LevelOption = menu:addOptionsMenuItem("level", Stage.levelStrings, Stage.levelStrings[1], function(option)
 		currentStage:setLevel(math.tointeger(option), true)
 	end)
@@ -160,4 +163,4 @@ end
 
 playdate.deviceWillSleep = function()
 	currentStage:saveData()
-end
+end

pdxinfo

@@ -3,4 +3,4 @@ author=Zenzoa
 description=A chill falling blocks game for the Playdate.
 bundleID=com.zenzoa.rainblocks
 version=1.0.1
-imagePath=images
+imagePath=images

scene.lua

@@ -1,46 +1,46 @@
-local scene = {
-	create = function()
-		local s = {
-			bgImageTable = Gfx.imagetable.new('images/bg.gif'),
-			bgImageIndex = 1,
-			skyImage = Gfx.image.new('images/sky.png'),
-			clouds1Image = Gfx.image.new('images/clouds1.png'),
-			clouds2Image = Gfx.image.new('images/clouds2.png'),
-			clouds1X = 0,
-			clouds2X = 0,
-			animationTimer = nil,
-			setup = function(self)
-				self.animationTimer = playdate.timer.new(500, function() self:nextFrame() end)
-				self.animationTimer.repeats = true
-			end,
-			nextFrame = function(self)
-				self.clouds1X = self.clouds1X + 0.24
-				self.clouds2X = self.clouds2X + 0.51
-				if self.clouds1X > 800 then
-					self.clouds1X = 0
-				end
-				if self.clouds2X > 800 then
-					self.clouds2X = 0
-				end
-				self.bgImageIndex = self.bgImageIndex + 1
-				if self.bgImageIndex > self.bgImageTable:getLength() then
-					self.bgImageIndex = 1
-				end
-			end,
-			draw = function(self)
-				self.skyImage:drawIgnoringOffset(0, 0)
-				self.clouds1Image:drawIgnoringOffset(math.floor(self.clouds1X) - 800, 0)
-				self.clouds1Image:drawIgnoringOffset(math.floor(self.clouds1X), 0)
-				self.clouds2Image:drawIgnoringOffset(math.floor(self.clouds2X) - 800, 0)
-				self.clouds2Image:drawIgnoringOffset(math.floor(self.clouds2X), 0)
-				local bgImage = self.bgImageTable:getImage(self.bgImageIndex)
-				bgImage:drawIgnoringOffset(0, 0)
-			end
-		}
-
-		s:setup()
-		return s
-	end
-}
-
-return scene
+local scene = {
+	create = function()
+		local s = {
+			bgImageTable = Gfx.imagetable.new('images/bg.gif'),
+			bgImageIndex = 1,
+			skyImage = Gfx.image.new('images/sky.png'),
+			clouds1Image = Gfx.image.new('images/clouds1.png'),
+			clouds2Image = Gfx.image.new('images/clouds2.png'),
+			clouds1X = 0,
+			clouds2X = 0,
+			animationTimer = nil,
+			setup = function(self)
+				self.animationTimer = playdate.timer.new(500, function() self:nextFrame() end)
+				self.animationTimer.repeats = true
+			end,
+			nextFrame = function(self)
+				self.clouds1X = self.clouds1X + 0.24
+				self.clouds2X = self.clouds2X + 0.51
+				if self.clouds1X > 800 then
+					self.clouds1X = 0
+				end
+				if self.clouds2X > 800 then
+					self.clouds2X = 0
+				end
+				self.bgImageIndex = self.bgImageIndex + 1
+				if self.bgImageIndex > self.bgImageTable:getLength() then
+					self.bgImageIndex = 1
+				end
+			end,
+			draw = function(self)
+				self.skyImage:drawIgnoringOffset(0, 0)
+				self.clouds1Image:drawIgnoringOffset(math.floor(self.clouds1X) - 800, 0)
+				self.clouds1Image:drawIgnoringOffset(math.floor(self.clouds1X), 0)
+				self.clouds2Image:drawIgnoringOffset(math.floor(self.clouds2X) - 800, 0)
+				self.clouds2Image:drawIgnoringOffset(math.floor(self.clouds2X), 0)
+				local bgImage = self.bgImageTable:getImage(self.bgImageIndex)
+				bgImage:drawIgnoringOffset(0, 0)
+			end
+		}
+
+		s:setup()
+		return s
+	end
+}
+
+return scene