Square Enix has released the E3 trailer, and has re-confirmed the PC launch date (it was confirmed on Tuesday), for Quantum Conundrum, the latest puzzle game from Portal co-creator Kim Swift and Airtight Games.
The game will launch on for PC exclusively through Steam on June 21. Consumers can pre-order the standard edition or season pass edition of the game now. The season pass includes exclusive Team Fortress 2 items, an exclusive downloadable Quantum Conundrum soundtrack and future downloadable puzzle packs. From now until June 20, the standard and season pass editions will be 10 percent off.