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 a medium difficulty map made exclusively in hammer. We made a hard mode version as well, so if you think this was too easy or you're up for a challenge, try out the hard mode. Nocturnal Testing - Hard Mode Neither version requires any ninja or chea...

A medium-hard portal management coop puzzle. This map requires no hard timing or any ninja moves. Official Solution Huge thanks to Alfe5 for recording this alone with 2 controllers since I can’t do much without internet Special Thanks - lack of a better na...

Medium/Hard difficulty Co-op puzzle using light bridges. Be sure to check out Unintended Abridgement 2!!!...

This map was originally made in PTI Ace Ryder, if you liked the puzzle, consider visiting POINT BLANK <COOP> and leaving some love there as well. I chose to remake the map in hammer to see what I could do with it in the Art Therapy style, and to get some p...

A coop map made for the 2011 summer mapping initiative. https://www.thinking.withportals.com/ Have fun people!...

The first level of 2ThingsTogether is about the laser and a kind of "vacuum cleaner". It's your job to find out what it's all about. Good luck! Difficulty: Medium level: 01...

The second level of 2ThingsTogether is about lasers again, but this time in combination with the light bridge. The level is bigger than usual, so Good Luck! Difficulty: Medium Level: 02...

In the third level of 2ThingsTogether, the light bridge meets together with liquids. I think I dont have anything else to say about it except good luck! Difficulty: Medium Level: 03...

The fourth level of 2ThingsTogether is about liquids in combination with the light tunnel. The rooms are bigger and a bit more confusing in the level, also there are not 3 rooms in this level but only two. Difficulty: Medium Level: 04...

The last level of 2ThingsTogether is about the laser in combination with the teleporter. The third room will also be a nice relief, because the room is much simpler than the previous ones. Difficulty: Medium Level: 05...