You can activate cheat mode in a couple of ways. Either enter the name "GONZOANDJON" for your player, or, during gameplay, select a commando and type "GONZOANDJON." Either way, cheat mode will be activated, allowing you to get at the goodies.

To use a cheat, type the command to unlock the corresponding cheat:

Invincible: CTRL+I
Invisible: CTRL+V
Kill Enemies: CTRL+SHIFT+X
Show Current Framerate: CTRL+-
Teleport: SHIFT+X
Win Mission: STRL+SHIFT+N

Enter the following codes at the Keyed Missions prompt once you've activated Cheat Mode.

1. XHGDR
2. WKUC4
3. YSM51
4. B7D8F
5. 3GHSL
6. AZLM1
7. JAHSG
8. UN63A
9. VAZ2P
10. 9TT5W

Enter the following codes at the Keyed Missions prompt once you've activated Cheat Mode.

1. PLKUM
2. JE5SH
3. DFY3B
4. K9D3H
5. NMWQ9
6. 16G3L
7. WL3CZ
8. LPQ6T
9. SRCM8
10. PAEN8

Enter the following codes at the Keyed Missions prompt once you've activated Cheat Mode.

1. PVTSL
2. SKDJF
3. 3DYNG
4. 9BG3S
5. KJWJK
6. E2J7H
7. ZX78Y
8. TRIB4
9. TRD78
10. 1LPQD