Phun is a nice little realtime 2d physics simulator featuring boxes, circles, hand-drawn shapes, fluids, chains, springs, hinges and more. Player can make machines, structures, vehicles, ragdolls or just mess around. Also features colourful graphics and an easy to use interface.
Homepage
Category: Simulation/Construction
License: Freeware
Hardware Requirement: GFX
Singleplayer: Yes
Multiplayer: No
Demo: Free
Installation Guide: None
Ubuntu Package: PlayDeb