Pururun - Test Menus, Unused Data, and Prototype Versions
A fun color-matching puzzle game with colorful graphics and cute animations… and bunches of disabled dev functions and unused data!
SUDDEN DESU
disassemblies・digital archaeology・data preservation
Lucky & Wild - Disabled Art Viewers, Sound Test and Round Select with Test Stages
Lucky & Wild is a crossover between arcade racing and lightgun shooting genres with a buddy-cop twist. As always, Hardcore Gaming 101 has a great description of it. Unfortunately, I’ve never seen it in an arcade, but it seems like a lot of fun. The game code has a few disabled test menus as well as a round select that has what appear to be test levels! There are also a small truckload of debug tools that were more than a little bit difficult to get working…
Debug tools in Virtua Fighter 2, Fighting Vipers and Sonic the Fighters
In the beginning, there was Virtua Fighter 2. And Suzuki Yu looked upon the game and saw that it was good. Thus were Fighting Vipers and Sonic the Fighters developed upon its game engine. And, lo, there dwelt within the code of each a bounty of debug tools!