FlightGear - The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. It also simulates space flight in Earth's orbit. It's flight dynamics engine (JSBSim) is used in a 2015 NASA benchmark.
Worms Battlegrounds - Worms Battlegrounds is a Single and Multiplayer Turn-based Strategy video game developed and published by Team 17.
X-Plane - The world's most advanced flight simulator just got an upgrade. Download the free demo today for Windows, macOS, & Linux.
Worms Armageddon - Worms Armageddon is an Adventure-based, Strategy, Platform, Turn-based Combat, Co-op, Single and Multiplayer video game created and published by Team 17.
Tom Clancy’s H.A.W.X 2 - Tom Clancy’s H.
GunBound - GunBound is a Turn-based, Free to play and Online-Multiplayer video game developed and published by Softnyx.