This page contains Sega Genesis Collection Codes for PSP called "Gain Ground - Sound Test & Level Difficulty" and has been posted or updated on Mar 7, 2007 by rrllyyjj.
- Developer: Sega
- Publisher: Sega
- Genre: Compilation
- Release: Nov 16, 2006
- ESRB: Teen
Gain Ground - Sound Test & Level Difficulty
For this cheat to work, make sure that you highlight (or move the arrow next to Options). Press A, C, B, C. Now go into the Options screen. You should then be at sound test and level difficulty.
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