Enable cheat mode, then activate the "/map redE3M5" code to advance to episode 3, mission 5. Locate the door that does not have a handle in that level. Enter the "/noclip" code and walk through the door to find another door covered with smiley faces.
Load the game with the "hl.exe -dev -toconsole" command line. Then while playing a game, press ~ to display the console and type "sv_cheats 1" to enable cheat mode. Then, press ~ and enter one of the following codes to activate the corresponding cheat function: RESULT CHEAT CODE God mode /god All weapons with full ammo /impulse 101 No clipping mode /noclip Opponents ignore character /notarget Third person view /thirdperson Adjust gravity sv_gravity [-999 - 999999] Obtain item /give [item name] Map select /map [map name]
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