Amazon.com: Area Rugs Mat for Living Room Girl Gamer Portrait Glitch Style Non-Slip Indoor Carpet Floor Ultra Soft Area Rug Kid Bedroom Dining Home Decor Large Size,72 x 48 Inch : Home
In iOS (not sure about other versions) exiting the game in the glitch room and re-opening the app leaves all of the glitched blocks completely stationary and removes the empty circle around
Glitch Room - Fez Gameplay - YouTube
Glitch Room image - [Unnamed] - Indie DB
Glitch room on Behance | Interior design, House design, Design