Aurail - Invincibility and level select

disassemblies・digital archaeology・data preservation
I cut my teeth on game hacking and research in the Sonic communities of the early 2000's - Area 51, SSRG, CulT - and the Sonic arcade games were always something of an enigma to us. It's been especially exciting to see that these rarities have been finally dumped, including Cosmo Fighter.
I opened the data not expecting to find much and, unfortunately, I was correct. But there are a couple interesting tidbits worth looking at...
Looks like I can finally cross "discovered a previously unknown debug code in a Sonic game" off my bucket list.
One of the most loved games by fans of the legendary Neo-Geo has a boatload of debug tools and a hidden mini game...
A cute falling blocks style puzzle game with a spellcasting twist and a surprisingly detailed CPU Player debugging tool.