On the Title screen, hold the L Button and press Start to bring up the options list.
Wait until the man asks Mike Hagar to turn on the television during the introduction sequence. Then, press [Help] five times to enable cheat mode and invincibility to punches and kicks. Press one of the following keys to activate the corresponding cheat function.
No Mad Gear members
Level select 0 through 9
Pause game play and type sherrif fatman.
Gaining extra points - To gain jewels and other high points items from breakable stuff like barrels, dustbins.
Execute the jump + down attack move. (Cody - headbutt, Guy - Elbow).
When doing the move, rapidly jag controller left to right.
Usually, jewels will appear instead of other cheap things.
Crewing Gum - When fighting Eddie B. (Cop), you will notice that he spit out a wad of gum.
That thing will give you about half a life if you pick it up.
Last Boss - Cody is able to punch away the bolts that the last boss fires.
No other character can do it. Off the wall attack -
Besides doing the normal off the wall flying kick, you can change it into a flying elbow drop by doing down + attack.
Hidden Gems - On the way to the last boss, there is a stage when there are some pillars.
Located at the bottom of each pillar are gems.
Make sure you get them.
This super combo can be easily executed with Cody or Guy, but it's a bit tougher with Haggar.
To begin, initiate a punching combo (press attack, attack, attack for Cody or Guy) or (attack, attack for Haggar.)
While you're pressing these buttons, hold the d-pad AWAY from your enemy.
Before you do your final ending combo blow, you will throw the enemy, delivering massive damage!
NOTE: You can also start this combo with a jumping knee (jump and hold down, press attack) to deal even more damage!
(This will not work for Haggar.)