Urho3D

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Unreal Engine

Godot is a free and open-source 2D and 3D, cross-platform, game engine released under the MIT license. With Godot, you can develop games using Go or GDScript. Godot provides a huge set of common tools for game production, so that you can focus on making your game without reinventing the wheel. The development environment runs on multiple operating systems including Linux, macOS, and Windows and can compile games for PC, Mobile and the web browser.

Create 2D and 3D Games for Windows.

Unity is a cross-platform game engine and development platform created by Unity Technologies. With Unity game developers can build high-quality 3D and 2D games, deploy them across mobile, desktop, consoles, VR/AR or the Web. Unity was first released as OS X-exclusive game engine but as of 2018 the engine had been extended to support more than 25 platforms.

CryEngine is an commercial open-source game engine designed and developed by the German game developer Crytek. With CryEngine, game creators can achieve their goals faster by building games on an already proven game engine that provides its full source code. The engine is provided with no up-front cost, only a royalty percentage of 5% of the gross receipt, which makes it perfect for game developers and teams with a low budget or funding. Surrounding the project is a large community and a market place filled with user-made game assets that can be used to increase the speed-to-market.

GDevelop is a 2D cross-platform, free and open-source game engine that takes visual programming to the next level. GDevelop allows you to take read-made behaviours and add them to your game objects or create new once with intuitive and east to use events. With GDevelop, it is easy to make games for PC and Mobile, as well as launch HTML5 games playable right in your web browser.