Welcome test subjects to Advanced Cooperation Madness. •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• This map has been updated, where some reported bugs has been fixed. For more details check out the discussion thread. ••••••••••••••••••...

'theory-driven' is a medium-difficulty coop map created with Hammer Editor. The map is based on the idea of using simple portal mechanics in order to make it look as easy as possible. Combining that first impression with a complex puzzle and some good 'old...

This coop map consists of 3 testing chambers and features different kind of testing elements. It is not very long map though and maybe not all that tricky, but I hope you enjoy it nonetheless! :D...

Part 1 of the series of cooperative testing spheres. http://steamcommunity.com/workshop/filedetails/?id=89736336...

Part 2 of the series of cooperative testing spheres. http://steamcommunity.com/workshop/filedetails/?id=89736336...

Part 3 of the series of cooperative testing spheres. http://steamcommunity.com/workshop/filedetails/?id=89736336...

*All credit for this map goes to Raidix. Check out and subscribe to his Gelocity race maps.* This is a fan made tweak of Raidix's popular Gelocity 2 race map. -A few things were added and tweaked to alter the flow of the map. Play both Gelocity 2 and this ...

Part: Zero Main chambers: 1 Difficulty: This isn't even a test Theme: Destruction Estimated time: # A hub map where it's possible to jump around and choose maps. Choosing maps are non-functional and non-fixable, I've added a voting page instead and you can...

Part: One Main chambers: 3 Difficulty: Medium/Hard Theme: Destruction Estimated time: 60 minutes First part of this coop-mappack, throwing you right into brainwrinklering puzzles! #TWP...

Part: Two Main chambers: 3 Difficulty: Medium/Hard Theme: Destruction Estimated time: 60 minutes Part Two of this coop experience and you'll be introduced to two new mechanics you haven't seen before! #TWP...

Part: Four Main chambers: 2 Difficulty: Medium/Hard Theme: Behind the scenes Estimated time: 30 minutes This is where it ends! (And you leave me a comment) Be sure to try out my other map-pack aswell if you enjoyed, http://steamcommunity.com/sharedfiles/fi...

In this single test chamber, it will test your ability to maintain your portals. This test does not require quick timing or any advanced portaling techniques. However, it will take good team work to make it to the exit....