Creativerse - Creativerse is a sandbox adventure game set in a beautiful yet treacherous world shrouded in...
OpenTTD - An open-source clone of the classic game ...
Lunacraft - Lunacraft focuses on Endless Creativity and Exploration elements.
Micropolis - Micropolis is the open source version of SimCity Classic from Maxis, developed by Will Wright and Don Hopkins.
Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.
Simutrans - Simutrans is an open-source transport simulator.