Primal Rage
1. D925-846F Press down 3 times then start at the "Start/Options" screen for a hidden menu
2. 0DA5-876D Start with less energy
3. BB54-87AB Able to select as many credits as you want in the options screen
6. FD1D-7DD4 Select different times in the options screen
7. C20F-E767 Infinite time