This FORUM is ONLY for posting requests for M.A.M.E. arcade cheats. The actual cheats should be posted in the M.A.M.E. "Arcade" Cheats forum. For cheat requests a 'please' would do no harm...
I was playing karate champ and I think it can have some cheats.
P1 and P2
Inviciblity
p1 always 0 points
p2 always 0 points
infinite time
always win the bonus round
finish this round now