Command And Conquer 64 Codes -

Cheat mode:
Press , , (x2), , , , , at the title screen. Select the "Replay Mission" option at the main menu, then press to display all missions and to select your team.

Start battle after enabling the code. Press + to display programming debug information. Press + + to automatically win or + + to automatically lose.

Adjust battle screen:
Hold press or to magnify and reduce the battle screen.

Easier building:
Highlight a unit to be created from the toolbar, then press . Hold and press after receiving the "Unit Ready" or "Construction Complete" message to build the same unit again without returning to the toolbar.

Hidden message:
Remove all controllers, then turn on the Nintendo 64. Watch the opening images and text until it reaches the controller screen.