An open source re-implementation of RollerCoaster Tycoon 2
Endless Sky is a sandbox-style space exploration game
Sandbox video game with a powerful physics engine
Simple Beat Saber Mod Installer
Open source simulation game based on Transport Tycoon Deluxe
3D space trading and combat game
Open source clone of Theme Hospital
HTML5 Phigros chart player/simulator
RISC-V CPU simulator for education purposes
A planetarium software that shows a 3D simulation of the night sky
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
A free transportation simulator game
A robocode championship manager made using JavaFx
Write programs in assembly that battle each other in Corewar
Air traffic control tower and radar simulator (solo + multi-player)
... the open-source glide computer
Old style soccer game with many exciting features
X3D is the open-standard format for 3D graphics scenes on the Web.
Naval trade simulation in the north and baltic sea during 1250 - 1500