To pass game the fastest you need armor and oxygen, not that many weapons, just stomping enemies. To get enemies from the roof stand on one leg and how from side to side, it is a pretty fast way(maybe a myth, but you can dodge rockets too). missions that pay the most are main missions, mainly they are placed at the middle of mission list. not sure how it is on the ccontrollers (sorry) but on keyboards use a technique of holding A or D and switching between W and S. Use cannons for bosses.

S P O I L E R S . A H E A D. read at your own rist, spoilers of the endings and missions.





first thing, is try to pass the game for different side, look how it looked from another faction's side.
try to pass the game with challenges, here's the list i made so far:

• 1. b o o m. Stomp and blow up everything, don't use blasters, lasers, miniguns.

• 2. n*zi style. gas and machine guns! you can use stomp if don't have any of them.

• 3.the forbidden challenge. get to area51 and... and... kill as many people as possible, CAN BE DONE WHILE MAKING THE N*ZI STYLE!!!1