Serious Sam: The Second Encounter : Game Cheats Press ~ to bring up the console, then type the code and press enter: please fly - Fly mode please god - God mode please open - Open all doors please invisible - Invisibility please ghost - No clipping mode please tellall - See all messages please refresh - Fills up energy please giveall - All Ammo and weapons please killall - Kill all enemies A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z