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 folder and restart Steam. Mac instructions forthcoming.
KNOWN ISSUES:
1. Portal is synchronized with the Steam Cloud. As a side effect, Gamma Energy is too. Unfortunately, Gamma Energy and Portal (and any other portal mods like Portal Prelude) will all synchronize together. This includes the number of unlocked chapters and, bizarrely, achievements. You can actually get valid Portal achievements in this game. Anyway, you'll likely see six unlocked chapters when you first start the mod. Please don't take this as an invitation to skip the beginning of the game.
Downloaded as soon as I saw. Can't wait.
I download this mod, and playout: this is awesome! Simple COOL!!!
This mod starts out really good, with challenging puzzles and it's really fun to play. But as I progressed through it, the levels became increasingly harder as expected, but it got to the point of where I was getting really frustrated tired of things. I ended up having to cheat so that my blood pressure would go down a bit. Overall it's a great mod, but some parts are hard as hell.
Just get PeaZip :U
Too few people ever use 7-zip, so thank you for doing so! Downloading now.
you sir are thinking with portals. great mod.
Now you ******* Not Messing With Portals
Desura???
It just crashes when i load it :(