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Knuckles' Chaotix Objdef

About SonED2/ROMulan:

Editing Sonic 3 & Knuckles' Angle Island Zone Act

   SonED2/ROMulan are game modification utilities created by "Stealth" for the Sega Genesis games Sonic 1,2,3&K,Sonic CD, and Knuckles' Chaotix. It allows the modification and editing of physical level layouts, palettes, graphics, and object placements. This can be done either from a rebuildable disassembly ("disasm") of the game (if applicable), or via a direct binary game edit (using ROMulan code/script injection). More information about the game editing utility at its official webpage (not mine) at

About Knuckles' Chaotix:

   Knuckles' Chaotix is the only Sonic the Hedgehog-related game for the poor, underrated, ill-fated Sega 32x Genesis add-on. Unlike other Sonic the hedgehog games, this game features Knuckle's the Echidna as star, 5 other characters (collectively known as the "Chaotix"), 5-act zones, a buddy-system rubber band co-op system, fully 3D Special and Bonus stages, a HUB world, a daytime system, and much more.

About Knuckle's Chaotix Objdef file:

SonED2 uses object definition files in order to proper display and process the placing of legit game objects. These definition files show either a "?" or an appropriate sprite for the object, show the proper object placement, and tell the user what the proper object bits will do in game. Unfortunately, ROMulan's scripts for Knuckles' Chaotix modification support is relatively new. My object definition files fills in the missing information and sprites for the game's objects.


Updated SonED2 Object listing (with sprites)

Updated in-editor editing (with sprites)
(Notice the path swapper objects and spring+path swapper object)

Spritesheet with KC enemies

Another spritesheet

SonED2 Objdef Files