Official PL2 format version 4

PL2_HASPALETTE			= 1
PL2_HASMATERIALS		= 2
PL2_HASLEVELSETTINGS	= 4
PL2_HASBACKTEX			= 8

STRUCT COLORRANGE
	BYTE startcolor
	BYTE endcolor
END

STRUCT RECT
	DWORD left
	DWORD top
	DWORD right
	DWORD bottom
END

Start:

CONST BYTE signature[4] = "PL2 "

//The upper word of 'version' is the important part. The lower word is not used yet.
//If the loader supports PL2s version 4, the upper word of 'version' should be <= 4.
DWORD version
IF version >= 0x00010000
	DWORD flags

	//The channels in the palette are stored as 0..63, interleaved.
	IF flags & HAS_PALETTE
		BYTE palette[256*3]
	ELSE
		BYTE palette[256*3] = originalpalette
	END

	//Materials are stored in this order: Dirt, Dirt2, Rock, Background, Recv. shadow.
	//256 bits (32 bytes) for each material setting which specifies if the setting is active in
	//each color in the palette. The bits within the bytes are stored in big endian order (76543210).
	IF flags & HAS_MATERIALS
		BYTE materials[32*5]
	ELSE
		BYTE materials[32*5] = originalmaterials
	END
	IF flags & HAS_LEVELSETTINGS
		RECT respawnrect
		IF version >= 0x00030000
			COLORRANGE coloranim1
			COLORRANGE coloranim2
			COLORRANGE coloranim3
			COLORRANGE coloranim4

			BYTE upperborderfatal
			BYTE lowerborderfatal
			BYTE leftborderfatal
			BYTE rightborderfatal
		ELSE
			COLORRANGE coloranim1 = {129, 131}
			COLORRANGE coloranim2 = {133, 136}
			COLORRANGE coloranim3 = {152, 159}
			COLORRANGE coloranim4 = {168, 171}

			BYTE upperborderfatal = 0
			BYTE lowerborderfatal = 0
			BYTE leftborderfatal = 0
			BYTE rightborderfatal = 0
		END
		IF version == 0x00040000
			DWORD respawndistance
			RECT bonusrespawnrect
			BYTE respawninmidair
		ELSE
			DWORD respawndistance = 160
			RECT bonusrespawnrect = {0, 0, 504, 350}
			BYTE respawninmidair = 0
		END
	ELSE
		RECT respawnrect = {5, 5, 499, 345}

		COLORRANGE coloranim1 = {129, 131}
		COLORRANGE coloranim2 = {133, 136}
		COLORRANGE coloranim3 = {152, 159}
		COLORRANGE coloranim4 = {168, 171}

		BYTE upperborderfatal = 0
		BYTE lowerborderfatal = 0
		BYTE leftborderfatal = 0
		BYTE rightborderfatal = 0

		DWORD respawndistance = 160
		RECT bonusrespawnrect = {0, 0, 504, 350}
		BYTE respawninmidair = 0

	END

	IF flags & PL2_HASBACKTEX
		BYTE backtextures[16*16*2]
		usebacktex = 1
	ELSE
		BYTE backtextures[16*16*2] = {random(160..163)...}
		usebacktex = 0
	END

	BYTE leveldata[504*350]
END

Inofficial PowerLevel2 format:
Start:
BYTE leveldata[504*350]
CONST BYTE signature[10] = "POWERLEVL2"
BYTE palette[256*3]
BYTE materials[32*5]

PowerLevel format:
Start:
BYTE leveldata[504*350]
CONST BYTE signature[10] = "POWERLEVEL"
BYTE palette[256*3]

Level format:
Start:
BYTE leveldata[504*350]