Portal 2 Cube Edition , a puzzle game for the Playstation 3, was released on April 21, 2011. The story follows Chell and her interactions with GLaDOS, an artificially intelligent system designed to test test subjects' abilities.
The gameplay revolves around guiding Chell through increasingly complex puzzles using a device called the "Aperture Science Handheld Portal Device". Players must use portals to redirect laser beams, solve obstacles, and progress through the game's challenging levels.