Quote from PortalCombat on June 6, 2013, 3:35 pm

This brainteaser coop puzzle features speed gel
and requires thinking with portals.

Features:
- 1 medium-sized room and 3 small rooms
- teamwork required
- thinking with portals required
- you may have to think out of the box
- no ninja skills needed
- no extrem fast timing needed
- estimated blindrun playtime: 50 minutes

Click here to download [COOP] Accelerated Thinking - Brainteaser