Gamma Energy visits the Aperture Science East facility, built after GLaDOS gained sentience. The goal was to create a facility where GLaDOS' research could be examined and tested without harm to employees or other people who actually... mattered, without her knowledge. Pick up a prototype Portal Device and try not to die.

(browse maps & skins)
Gamma Energy Mac Install Script

Gamma Energy Mac Install Script

Mar 27, 2011 Patch (0.00mb) 1 comment

Valve still doesn't really support Steam on OSX, no matter how much they've said otherwise. This hack fixes it.

Gamma Energy v1.1 (ZIP version)

Gamma Energy v1.1 (ZIP version)

Mar 27, 2011 Full Version (160.39mb) 0 comments

Here's Version One Point One as .zip archive - A few bug fixes and new maps. Let's pretend it's three weeks ago, eh?

Gamma Energy v1.1

Gamma Energy v1.1

Mar 27, 2011 Full Version (108.24mb) 0 comments

Here's Version One Point One as .7z archive - A few bug fixes and new maps. Let's pretend it's three weeks ago, eh?

Gamma Energy v1.0 (ZIP version)

Gamma Energy v1.0 (ZIP version)

Aug 8, 2010 Full Version (116.80mb) 7 comments

Some people don't know what to do with a .7z, so here's the full content as a significantly larger .zip archive. This version contains the EXACT SAME...

Gamma Energy v1.0

Gamma Energy v1.0

Aug 8, 2010 Full Version (73.89mb) 8 comments

Here's the mod as a 7Z archive. A ZIP version is coming soon. Windows users: extract and put the gamma_energy folder in your steam/steamapps/sourcemods...

Icon
Portal Icon
Platforms
Windows, Mac
Game
Portal
Developed By
Gamma_Energy
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Official Page
Gammaenergy.net
Release Date
Released Aug 7, 2010
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