This item has been banned because it violates the Steam Terms of Service. It is only visible to you. If you believe your item has been banned mistakenly, please contact Steam Support.
This item is incompatible with Portal 2. Please see the instructions page for reasons why this item might not work within Portal 2.
Current visibility: Hidden
This item will only be visible to you, admins, and anyone marked as a creator.
Current visibility: Friends-only
This item will only be visible in searches to you, your friends, and admins.
RateAdd to Collection
This item has been added to your Favorites.
Tags: Button, Pedestal Button, Weighted Cube, Weighted Cube Dropper, Faith Plate, Light Bridge, Laser Field, Fizzler, Companion Cube, Cube Button, Goo, Flip Panel, Angled Panel, Tractor Beam, Turret, Laser Emitter, Laser Catcher, Stairs, Glass, Cleansing Gel, Bounce Gel, Grating, Piston Platform, Sphere Button, Edgeless Safety Cube, Edgeless Safety Cube Dropper, Laser Relay
May 2 @ 7:37am
May 2 @ 8:30am
2 change notes
Subscribe to download Ventilation
This item has been added to your Subscriptions. Some games will require you to relaunch them before the item will be downloaded.
In 3 collections by Geneosis
Geneosis' Logic Chambers
Geneosis' Medium Chambers
Geneosis' Best Of