This coop map is rather a race track than a puzzle. Use your portal gun cleverly to trick your opponent and be the first to reach the finish line! You will probably need a few laps until you know all tricks - so give it a second try! Please note that this ...

A Singleplayer version of Gelocity Stage 2 but with a couple of changes. This map is not a puzzle but a race track covered with orange speed gel. Like in the first Gelocity Time Trial your task is to reach the finish line in a limited time. You will probab...

Check out my other test chambers! ...