OpenTTD - An open-source clone of the classic game ...
Pocket Frogs - Pocket Frogs is an Addictive, Hunter, Breeding, Training, and Single-player Simulation developed and published by NimbleBit LLC.
Transport Fever - Transport Fever is an Adventure-based, Management, Strategy, Economy, Sandbox, City-Building and Single-player video game developed by Urban Games and published by Gambitious Digital Entertainment.
Zenforms: Protectors - Zenforms: Protectors takes you to a whole new world of challenging Puzzles, amazing Adventures and RPG elements and allows you to immerse yourself into a very immersive and quite engaging game-play ever.
Transport Tycoon Deluxe - Transport Tycoon Deluxe is a Business Simulation developed by Chris Sawyer and published by MicroProse.
Avalon Code - Avalon Code is an Action-Adventure, Role-playing and Single-player video game developed by Matrix Software and published by Marvelous Entertainment.