Popular games published by company PORTANIS

Portal Reloaded is a free, community made modification for Portal 2. The mod builds on the concepts of the main game by allowing you to place a third portal, which enables traveling between two different timelines. Thinking in four dimensions is vital to solving 25 brand new mind-bending puzzles.

Return to the Enrichment Center for even more time travel adventures! The Cooperative Update introduces 20 brand new puzzles for you to solve together with a partner. The Cooperative Testing Initiative is sent back to the past to retrieve some very important data that has been lost to time. One of you is in charge of shooting regular portals while the other takes care of placing time portals. This creates some very interesting gameplay mechanics, as both players rely on their partner to travel through space and time respectively.