This community-made mod requires that you have Portal 2 installed prior to running this game.
“If you're like me, when you played Portal 2, you covered every room in as much bouncy gel as possible. Well now it's a whole lot easier, and you can color coordinate the walls with orange gel.”
“A surprising and fresh revival of Portal 2’s familiar puzzle elements.”
“It looks great, it plays well, and it lasts 2-3 hours, giving it good value for money.”
Aperture Tag: The Paint Gun Testing Initiative was developed by the Aperture Tag Team. We are a bunch of fans of Portal 2 and we are not related to Valve Software. Valve did not develop this game, and as such is not an official game by Valve nor endorsed by them. The game takes place in a world initially created by Valve and as such, we do not claim to own any of the IP, including, but not limiting to Personality Core, Aperture Science, Gels, Portal, and other game content initially featured in previous Valve games, including but not limited to Portal 2, Portal, Counter Strike: Source, Counter Strike: Global Offensive, Half Life 2, etc.
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