Scrumbleship is an open-world MMOG block-building space flight simulator game. ...more

RimWorld is a top-down construction and management simulation computer game. ...more

TORCS (The Open Racing Car Simulator) is an open source 3D car racing simulator available for Linux, FreeBSD, Mac OS X, AmigaOS 4, AROS, MorphOS and Microsoft Windows. ...more

Simutrans is a cross-platform simulation game in which the player strives to run a successful transport system by constructing and managing transportation systems for passengers, mail and goods by land, air and water between places. ...more

Gnomescroll is an open source multiplayer voxel game. ...more

Urho3D is a free lightweight, cross-platform 2D and 3D game engine implemented in C++ and released under the MIT license. ...more

The Sims is a life simulation video game series. ...more

CryEngine is a game engine with the initial version being used in Far Cry, and continues to be updated to support new consoles and hardware for their games. ...more

Eve Online (EVE Online) is a space-based, persistent world massively multiplayer online role-playing game (MMORPG. ...more

SurvivalCraft is a block terrain game where you are marooned on a deserted island and must survive on your own. ...more

Polycode is a C++ and Lua framework for building interactive applications. It is free, open source and cross-platform. ...more

Dwarf Fortress (Slaves to Armok: God of Blood Chapter II: Dwarf Fortress) is a part construction and management simulation, part roguelike, indie video game. ...more

Celestia is a 3D astronomy program, The program is based on the Hipparcos Catalogue (HIP) and allows users to travel through an extensive universe, modeled after reality, at any speed, in any direction, and at any time in history. ...more

Unity is a cross-platform game engine developed by Unity Technologies. ...more

Minecraft is sandbox world building game currently owned by Microsoft. ...more