We have 1 cheats and tips on PC. If you have any cheats or tips for Contract J.A.C.K. please send them in here. You can also ask your question on our Contract J.A.C.K. Questions & Answers page.
To enter the cheats, you need to be in talk mode:
(To get there you just need to push "T")
God - invincibility
Health - full life
Armor - full armor
Guns - all guns
Poltergeist - invisiblity