War Gods
Cheat Menu:
At the first War Gods title screen, quickly press Right, Right, Right, B, B, A, A. If you did the trick correctly, the screen will flash. Now select Options, and you'll find a Cheat Menu option with such things as Easy Fatalities and a Level Select.
Wayne Gretzky's 3D Hockey
Logo View:
At the Setup screen, press Z to watch the company logos scroll by.
Head Scale:
In the Options menu, simultaneously press R and bottom C. When the game starts, all the players will have big bodies.
Body Scale:
In the Options menu, simultaneously press R and left C. When the game starts, all the players will have small bodies.
Y Scale:
In the Options menu, simultaneously press R and top C. When the game starts, all the players will be skewed horizontally.
Super Teams:
In the Options menu, press and hold L, then press right C, left C, left C, right C, left C, left C, right C, left C, left C. Four new teams will appear at the Team Select screen.