You can download Quadratis 1.1 from our software library for free. This free program is a product of Chris Hollman. Quadratis.exe is the default file name to indicate this program's installer. The software is included in Games. This PC program can be installed on 32-bit versions of Windows Vista/7. The most popular version of the Quadratis 1.1.
From the developer:
Quadratis is a Direct3D implementation of the classic Tetris game.
You may want to check out more software, such as Monkey Business, Concave Mirror or OldMacDonald, which might be related to Quadratis.