X-Plane - The world's most advanced flight simulator just got an upgrade. Download the free demo today for Windows, macOS, & Linux.
Nuclear Dawn - Nuclear Dawn is an Action-Adventure, Real-time Strategy, First-person Shooter, Co-op, Single and Multiplayer video game developed by GameConnect and published by Iceberg Interactive.
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.
Sky Rogue - Sky Rogue is an Arcade, Adventure-based and Single-player Flight Simulation published by Fractal Phase.
Digital Combat Simulator - Digital Combat Simulator is a Free-to-play, Single and Multiplayer Combat Flight Simulation developed by Eagle Dynamics and published by The Fighter Collection.
Natural Selection 2 - Natural Selection 2 developed and published by Unknown Worlds Entertainment.