Flight simulator

Spaceship bridge simulator game

Block-based multiplayer game platform

A sand simulation game

Amusement park simulation

Plan and build a city

Custom Minecraft Launcher to easily manage multiple Minecraft installations at once

Open-world space opera

Kidsgame, drive a toy wood engine

An evolution simulation game. Take control of your species in the environment and edit your species as a whole. Compete with other evolving species for resources on an alien planet.

Space exploration and combat game

Open source clone of Theme Hospital

Enjoyable metro building game

A game of lonely space adventure

Breathtaking 3D space game in the rings of Jupiter

Free train simulator

Develop your civilization from humble roots to a global empire

City building game

Free Train Simulator for everyone

Modrinth's game launcher

Explore, trade, and fight in a 2D galaxy.

Augustus is an open source re-implementation of Caesar III with changes to gameplay

Fun with Blocks

Open source simulation game based upon Transport Tycoon Deluxe

A multi-player space game, defend the planet from the incoming asteroids!

Julius is an open source re-implementation of Caesar III

ATC Training Simulator

Physics sandbox game

Open source transportation simulation game

Kids game, drive a toy wood engine