This page contains Cheats for Portal: Still Alive organized by sections for Xbox 360. Portal: Still Alive is a Action Shooter First-Person game, made by Valve Software, released on Oct 22, 2008 and published by Microsoft Game Studios. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
Portal: Still Alive Xbox 360 Cheats
Complete the following achievements to unlock Xbox Live Gamerscore points....From: vhayste
At the end of test chamber 17 in the main game, incinerate your companion cube to unlock a gamer picture....From: patone
Beat the game to have the cake appear at the opening screen. Allow the game to idle at that screen to see other new changes....From: mikespike
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