OpenTTD - An open-source clone of the classic game ...
Wormax.io - Wormax.io is a modern remake of the classic Snake.
Simutrans - Simutrans is an open-source transport simulator.
Return to Castle Wolfenstein - Return to Castle Wolfenstein is an Action, FPS (First-person Shooter), Single-player and Multiplayer video game created by Gary Matter Interactive and published by Activision.
Transport Tycoon Deluxe - Transport Tycoon Deluxe is a Business Simulation developed by Chris Sawyer and published by MicroProse.
Sid Meier’s Civilization V - Sid Meier’s Civilization V is an Action-Adventure, Turn-based Strategy, Life Simulation, Single and Multiplayer video game developed by Firaxis Games and published by 2K Games.