Portal is a new single player game from Valve, creators of Half-Life 2 and Counter-Strike. Set in the mysterious Aperture Science Laboratories, Portal has earned over 15 Game of the Year Awards and offers gamers hours of unique gameplay. How long is Portal? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! How long is Portal 2? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! How long is Portal: Revolution? When focusing on the main objectives, Portal: Revolution is about 6 Hours in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 8 Hours to obtain 100% completion. How long is Portal: Still Alive? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! How long is Portal: Companion Collection? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! How long is Portal Reloaded? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! How long is Portal: Forbidden Testing Tracks? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! How long is Portal: Prelude? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends! When it comes to Portal, one of the most noteworthy things is its atmosphere, and the Entropy Centre clearly nails that. It tries to do a Portal 2 move and show nature clashing with the desolate, and very clean laboratory environment.
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