Beat the game for another time. It obviously still holds up, even with me knowing all of the puzzle solutions. The second half really makes this game what it is, but the first half is great aswell. Revisiting stuff is weird since I already know how it's going to end and all the big moments from it. This really isn't much of a "replayable" game, but I'm still able to come back to it and still love it, so it really says something about the quality of the game. Now I want to play more Portal stuff. Portal Stories: Mel is a pretty notable mod, I'll check that one out.