Be sure to make use of the 'tab' function in which you can see what your partner sees. Keep in mind in cooperative chambers you must employ two sets of portals. Teamwork and communication is key to completing any cooperative test chamber....

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

Be sure to make use of the 'tab' function in which you can see what your partner sees. Keep in mind in cooperative chambers you must employ two sets of portals. Teamwork and communication is key to completing any cooperative test chamber....

My third two-player puzzle. This one is a bit trickier then the others!...

Этот тест содержит кое-что....

Hakuna Matata - "no worries"; - estimated difficulty: medium - no ninja skills needed - you do not have to die to solve this map - if you lose your portals, it is easy to get them back If you need any help in solving this map, just watch the walkthrough vi...

I drive a Chevrolet movie theatre....

The entire map-series has been reworked and updated on 29. June 2017 This map uses a funnel and a light bridge to create some awesome teamwork. estimated difficulty: easy/medium Don't worry if you lose your portals or die by accident: You only have to solv...

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...