Batman Bros. Co-Op. by NesDraug (version 1.2) Bruce Wayne has grown old. He is no longer the Batman he used to be but he still needs to rescue Robin since he got captured. So he created a Batclone. An almost identical Batman. A brother, if you like. A Batbro. Two player co-op mode Players are Batman Enemies are altered Slightly altered levels Changed warps All colors are changed Mushrooms are now bat masks Fire flower is now Batarang Mushrooms are batmask with blue eyes Stars are now bats Coins are bats Bat flag Backgrounds are altered Game over bat symbol New title screen 50 Coins to get 1UP Process: Sprite editing in NES CHR Editor Sprite editing in Tile Layer Pro HEX-editing in FCEUX to fix the colors The first buggy version was released in December 2018 SMB Utility to change levels (in original SMB) HxD to import the level data into the Two player hack The finished version 1.2 was released in August 2019 This hack is based on the Super Mario Bros. - Two Players Hack by Corpse Grinder and Ti
NesDraug: Graphics, slight level changes Corpse Grinder: Original Hacking Ti: Original Hacking