Hellforces trainer - use the following keys to enable the corresponding option:
F1: Get Unlimited Life
F2: Get Unlimited Armour
F3: Get Unlimited Ammo
F4: One Hit Kill
F6: Kill All
F7: Get Super Speed
F11: Enemies don't shoot at you
F12: Disable cheats
Page-Down: Zoom In
Page-Up: Zoom Out