Play as Juggernaut
To play as the unstoppable Juggernaut, try this trick. Choose Akuma, then win one round and press Continue. There will be no face on the character screen, but if you press Upper-Right twice you'll see Juggernaut. Have fun!

Note: This trick only works on the Japanese version.

Kick Them When They're Down
First set the L and/or R (Super Jump and Run) buttons off. When you win a round, press L or R and walk around and beat up the character on the ground.

Select 2-player Vs. mode
For Player 1
Stop your pointer on "Spiral", then move your pointer to the following characters in order: Silver Samurai, Psylocke, Colossus, Iceman, Colossus, Cyclops, Wolverine, Omega Red, Silver Samurai.

Then wait 1 second and press Weak Kick + Fierce Punch + Fierce Kick.

For Player 2
Stop your pointer on Storm, then move your pointer to the following characters in order: Cyclops, Colossus, Iceman, Sentinel (turn left to go to this character), Omega Red, Wolverine, Psylocke, Silver Samurai, Spiral.

Then wait 1 second and press Weak Kick + Fierce Punch + Fierce Kick.

After performing this trick once, hold L + R + X + Y + Z and press Start on the continue screen. Akuma's name will appear on the list.

Adjust Screen Size
At the Option screen, hold L + R, then press Up, Down, Up, Down, Up, Down, Up, Down, Up, Down, Up, Down on Controller 1. Your choices are Saturn (normal) and Arcade (wider).

Quick Continue
To get back into the game faster, hold L or R while pressing Start to continue. This will let you continue with the same fighter in about one second (instead of five). If you do this during VS. Mode, you'll still be able to select a fighter