Roses are red. Violets are blue. Glados wants you dead. What could you do? Dear test subjects, today is your big day! Robot love is not wrong! Can you and your partner prove this to GLaDOS? Today you should grab your favorite co-op partner and explore the ...

This is part of the Valentine's day special COOP map created by LpFreaky, Zivi7, Mevious, Sicklebrick and me. Link to the main course: Aperture Valentine These are the chambers considered as slightly tougher than the rest and that we decided to release sep...

A course, shaped like a cone, for cooperative use, made by Cone Corporation, in absolute confidentiality! Cone Corporation is merely the cone-department of Aperture Science, with the sole purpose of manufacturing giant cones that are to be used for Testing...

Inspired by "you and one army", try not to get yourselves killed!...

Getting to the top is just a leap away...

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Welcome To Version 2 Of Haircut!!! Bring A Friend And Leave A Tip Below!!!...

You have been caged some days ago. One day, as you wake up, you notice that you left alone for some reason. Part 1 - Escape: You have to escape from jail and break your way through the complex...

just tried out some things with hammer, there are no complicated puzzles in...

While I made this map for the coopcrowd to hopefully play, anybody interested can give it a try and race against a friend. I got the idea to try this after watching over the single player races Henry and Wills did a while back, and figured it'd be a differ...

Tower...

Legend has it, if you are traveling to Cincinnati Ohio, head north to Kings Island, and if you dare to go into the deep backwoods, you may run across something laying in wait known as THE BEAST. In 1979, THE BEAST was unleashed upon the public as the talle...

PLEASE READ BEFORE PLAYING This is the first map of a series that I plan to do, called "The Lone Future-Starter". is a short map but i hope you guys enjoy =). I tried to create some different puzzles, and also used a small concept of my previous map (Sp_Cu...

Fun....

Welcome turret killer! You have done a really good work for now, have a break and come with us to the millenium turret kill party! Note : Show map only, no puzzle! Type : Fun/Show Difficulty : None Update 1 : - ALL the turrets will now die! - Improved timi...

After rigging the scanning system for turrets, You and Wheatley go destroy the warehouse full of turrets...

I figured out a way to implement TNT turrets. I have BEE2. YAY (implemented a long time ago)...