Cosmic Carnage/Secrets
From StrategyWiki, the video game walkthrough and strategy guide wiki
You must have a 6-Button Pad for your Sega 32X to this code work, before turning on the game, hold 
+
+
. You can also hold the buttons while the game is on and then reset the game. The important thing is to have those buttons held while the game boots. If done right, the title screen will say Cyber Brawl, which is the Japanese version of the game, but this only works in the US and Europe releases.
