Crush 3D

Crush is a 2007 puzzle-platform video game developed by Zoë Mode and published by Sega for the PlayStation Portable. Its protagonist is Danny, a young man suffering from insomnia, who uses an experimental device to explore his mind and discover the cause of his sleeplessness. Each level of the game, representing events from Danny's life and inspired by artists such as Tim Burton and M.C. Escher, requires the player to control Danny as he collects his "lost marbles" and other thoughts. Crush's primary gameplay feature involves manipulating each game level between 3D and 2D views, allowing the player to reach platforms and locations inaccessible from within a different view.