This is a collection of custom test chambers designed for "Aperture Tag: The Paint Gun Testing Initiative." These puzzles are designed to take concepts from the original Portal games and remix them for use with the new gel device. Enjoy, and happy solving!

-Do you play Portal 2? -Do you like toxic goo? -Do you like puzzles that have you navigate over toxic goo, manipulating lasers, fizzlers, light bridges, panels, excursion funnels, and other neat stuff? -Finally, do you want these questions to end so you ca

In the "Lasers and.." collection, puzzle-solvers are challenged to solve unique and complex puzzles specializing in laser manipulation along with another element theme. Included in this collection are both singleplayer and multiplayer puzzles. Have fun!