Encounter a new personality core named Nigel in a story set within the crumbling remains of Aperture Science.
Access community-created maps or build your own with the included in-game level editor. How to Download and Install download aperture tag
Ensure Portal 2 is in your Steam library and fully installed. Encounter a new personality core named Nigel in
Visit the Aperture Tag Steam page and add it to your library. download aperture tag
Experience 27 original levels featuring new mechanics like the "Paint Fizzler" and Pneumatic Diversity Vents.