Open source simulation game based on Transport Tycoon Deluxe
FlightGear Flight Simulator: free open-source multiplatform flight sim
Soft-body physics simulator
A free transportation simulator game
Air traffic control tower and radar simulator (solo + multi-player)
C.S.R
X3D is the open-standard format for 3D graphics scenes on the Web.
Let it snow on your desktop
Graphical SRCP locking table client
realistic driving simulation + functions for 2D/3D graphics
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
MiCla Lotto Suite
Old style soccer game with many exciting features
Set of utilities for Opensim servers running on Linux
DIS(IEEE 1278.1) Fully Implemented in C++
Tugeny is a tournament organization software.
A sandbox game about giving your mannequin a wedgie.
Reversible cellular automata
3rd Party Video Games Developer: MetalManGames, titles of games