CheatCodes.com has all the official Lemmings 3D PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Wednesday June 19, 2013 for Lemmings 3D are shown below.
Level Password Space SPACEAAA Egypt EGYPTAAA Military ARMYAAAA Secret MAZEAAAA
Go to the main menu and select the password option. Enter "LAMPWICK" as the password, highlight "END" and press X. If you entered the code correctly, the phrase "Password Correct" will apear. Now select a level and select the "Play" option. A stage select menu will appear allowing any of the 80 levels to be chosen. Highlight the desired level and press X to begin the game.
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