Portal 2

Portal 2: Community Edition is the best way to play and create Portal community content. This community maintained game can be used by anyone to create their own unique never before possible puzzles. Portal 2: Community Edition is built on top of Strata Source, a community maintained fork of the CS:GO engine. The game is not finished yet. The beta will begin on the announced release date.

As a cleaning machine, tend to the custodial duties of an office while trying to avoid human scrutiny and existential dread. Listen to the computers around you, while there is still time. If you are brave enough, investigate your origin and inherent meaning as an electronic in a human world.

As with previous works from BinkusTheTrinkus such as Half-Life: Google Translate Edition and Portal: Google Translate Edition, Portal 2: GTE aims to take all of the dialogue, text, and developer commentary of Portal 2, put it through several different languages in Google Translate, then put back into English. This fills the base game with a bunch of garbled nonsense that makes it nearly unrecognizable.

Map pack consisting of maps removed from the Steam Workshop by the developer.

Confinement is a Portal 2 mod featuring 28 challenging co-op puzzles based around the confinement mechanic.

Portal: Revolution is a fan-made mod for Portal 2, which plays before the events of Portal 2 in the dead and decaying Aperture facility. Delve into a new story with original characters, spanning over 8 hours of gameplay and featuring over 40 new challenging test chambers that make use of new mechanics.

Step into the shoes of Rachel as she embarks on a journey guided by the personality core named "SAIC," through the Forbidden Testing Track, Codename: "Quebeck Seven."

Portal: Forever Testing Is a Fan-created Modification for Valve Software's Portal 2, containing various custom-built levels for the game. Initially started in 2019 as a small map pack for Portal 2, Portal: Forever Testing has been separated into a stand-alone mod for the game after many iterations.

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.

Waking up on the wrong side of the bed is the least of your worries when being plunged to the bottom of Aperture Science's "bottomless" pits.

Portal Stories: Mel is a community made, free modification for Portal 2 based in the Portal universe. It tells the story of Mel, who meets a new personality core and faces an undiscovered threat to the Aperture facility.

Aperture Tag: The Paint Gun Testing Initiative is a community-made mod for Portal 2, inspired by TAG! The Power of Paint. The familiar Portal 2 gels are now contained within the Aperture Science Paint Gun Device and it's your job to test it out! Featuring a new personality-core and an original story with 27 polished levels; the mod offers an exciting and fun experience in varied and interesting new locations throughout Aperture Science. Introducing gels as the core gameplay mechanic completely changes the way you solve puzzles, explore, and survive all the challenges thrown at you!

Cosmogony is a 6 part map pack created by DRey taking place during GLaDOS activation in the Enrichment Center. You are one of the few survivors of the neurotoxin disaster and with some help, you try to find a way out of Aperture. The map pack features custom content, a story deeply immersed in the Portal and Half-Life universe and more.

Thinking with Time Machine is a Portal 2 mod in which you will find and use a Time Machine to create a twin of yourself from the past to help you solve the puzzles. The past self accurately repeats all of the player's actions, creating a unique twist on familiar Portal game mechanics.

Do you have what it takes to stop the AI from killing you before you can fix it?

Designed for Danger is a story-driven Portal 2 campaign (PTI map series). It consists of eight levels that provide players with one to two hours of playtime. It mixes regular puzzle chambers with story moments and exploration sections.