Neverball and Neverputt

Tilt the floor to roll a ball through an obstacle course before time runs out. Neverball is part puzzle game, part action game, and entirely a test of skill.
Also found here is Neverputt, a hot-seat multiplayer miniature golf game using the physics and graphics of Neverball.

Neverball and Neverputt are known to run under Linux, Win2K/XP, FreeBSD, and OSX. Hardware accelerated OpenGL is required. A 500MHz processor is recommended.
Download Free here: http://icculus.org/neverball/