By 
Input the key combinations provided below for the corresponding effects.
- F9, Up, F9 – God Mode
- F9, Right, F9 – Unlimited Ammo
- F9, Down, F9 – Invisible
- F9, Up, Up, Up, F9 – Complete Mission
- F9, Left, F9 – Display Entire Map
- F9, Right, Right, Right, F9 – Collect All Loot
