Overgrowth is a 3d action-adventure game for Mac, Windows, and Linux, coming soon from the independent game studio, Wolfire Games. It is the spiritual successor to Lugaru, picking up a few years after Lugaru left off in the same universe.
5 character types are planed for Overgrowth: rabbits, wolves, cats, rats and dogs. The main character is Turner, the rabbit from Lugaru.

Alpha versions are released on a weekly basis.

Minimum system requirements: 

Processor: Passmark CPU 1000 or better
Memory: 2 GB RAM
Graphics: Passmark GPU 200 or better with OpenGL 2.0 support
Hard Drive: 7 GB available space

External links:
Developer: Wolfire Games