Since you rightly love him so much, check out his hilarious letter to all of you regarding the level creator below. It’s free, and if that doesn’t tickle your seemingly untickleable fancy, the DLC contains new Cave Johnson dialogue, and he was your favorite part of Portal 2. In non-hilarious, real-life non- Portal terms, that’s the game’s level creator. If you needed something fun to do tonight or for the next decade (or more) until Portal 3 releases, the Portal 2 Perpetual Testing Initiative DLC is now available.