High Quality Content by WIKIPEDIA articles! Quantum Conundrum is a puzzle-platformer video game developed by Airtight Games and published by Square Enix. It was directed by Kim Swift, who formerly worked at Valve as a lead designer on the critically acclaimed Portal. The game was released on Microsoft Windows (via Steam) on June 21, 2012, July 10, 2012 on PlayStation 3 (via PlayStation Network) and July 11, 2012 on Xbox 360 (via Xbox Live Arcade).