It’s a graphical remaster of Portal 2 that’s mod-friendly and free (but requires the original game in your library). It uses an upgraded version of the Source engine called Strata Source, which also powers Momentum Mod.
It’s a graphical remaster of Portal 2 that’s mod-friendly and free (but requires the original game in your library). It uses an upgraded version of the Source engine called Strata Source, which also powers Momentum Mod.
If I remember correctly, that’s Glados trolling you. None of the puzzles are impossible to complete as long as the game is running properly.