Quadris is a puzzle game! Place blocks on a grid, get points if they form 2×2, 2×3 or 3×3 rectangles. The game includes single player and multiplayer modes.

Screenshot of Mines
Making a 2×2 block in Quadris

Quadris is a clone of Katharine Berry’s Bitris, which is in turn an adaption of Tringo from Second Life. It was written using BlitzMax in 2010.

Links:

Quadris for OS X Doesn’t currently run on latests OS.

Quadris on Github