18 versions of Marble Madness for your enjoyment on this week's Battle of the ports. Unfortunately the NEC PC9801 version is missing from this video. Versions on the likes of Atari compilation discs are not included since they are just emulations of the arcade rom. Time Code 00:24 - Arcade 02:11 - Famicom / NES 03:12 - Master System 04:24 - Game Gear 05:27 - Amiga 06:41 - Atari ST 07:40 - MS Dos 08:49 - ZX Spectrum 09:39 - Amstrad CPC 10:24 - Commodore 64 11:10 - FM Towns 12:27 - Sharp X68000 13:40 - Apple ][ 14:47 - Gameboy 15:55 - Gameboy Colour 16:48 - Gameboy Advance 17:56 - Mega Drive (Western version) 19:11 - Mega Drive (Japanese version) 20:12 - All versions side by side