Simulation

CorsixTH

Open source clone of Theme Hospital

Rodyti

Endless Sky

Space exploration and combat game

Rodyti

FlightGear

A free and highly sophisticated flight simulator

Rodyti

Julius

Julius is an open source re-implementation of Caesar III

Rodyti

Minetest

Multiplayer infinite-world block sandbox game

Rodyti

OpenRCT2

A construction and management simulation video game that simulates amusement park management

Rodyti

OpenTTD

A highly detailed transport simulation game

Rodyti

Powder Toy

Physics sandbox game

Rodyti

Search and Rescue II

Rescue Helicopter Simulator

Rodyti

Taigo

Taigo is a virtual pet for your desktop

Rodyti

Voxelands

The Fun-Focused Free Software Voxel World Game

Rodyti