Impossible figures in computer games

Second Life logo

There are some Escher style impossible constructions in online 3D virtual world Second Life.

First, there's nice sculpture of impossible cube at the Shengri La Peace.

Impossible cube at Shengri La Peace
Visit it at http://slurl.com/secondlife/Shengri%20La%20Peace/172/168/103

Also, there are two three-dimensional implementations of Escher's artwork "Relativity" at Smallville Heights and Neko Valley.

Relativity at Smallville Heights
Visit it at http://slurl.com/secondlife/Smallville%20Heights/200/127/30

Relativity at Neko Valley
Visit it at http://slurl.com/secondlife/Neko%20Valley/147/32/35