After waking up from a large fall, your protagonist is forced to navigate an abandoned testing track set in Aperture Science. This mod takes place after the events of Portal, but before the events of Portal 2.

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Aperture Biozone (NEW)

Aperture Biozone (NEW)

Full Version

Okay, so the old one was quite messy and buggy. This one fixes most of them. There is still a unpreventable bug in the game which will be addressed in...

Aperture Biozone (OUTDATED)

Aperture Biozone (OUTDATED)

Full Version

Aperture Biozone is finished! It consists of 15 puzzles and 2 BTS scenes. Have fun and play!

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Aperture Biozone
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