Here are some cheats and tips for the game Command & Conquer.
Enter the following codes during gameplay, not while the game is paused:
Nuclear Bomb:
Press A, B, C, Left, Down, Right, Up, Left, Down, Right, Up, A.
Ion Cannon:
Press A, B, C, Left, Down, Right, Up, Left, Down, Right, Up, B.
Air Strike:
Press A, B, C, Left, Down, Right, Up, Left, Down, Right, Up, C.