The best alternative to Unity is CRYENGINE. It's not free, so if you're looking for a free alternative, you could try CRYENGINE or PlayCanvas. If that doesn't suit you, our users have ranked more than 100 alternatives to Unity and 18 are so hopefully you can find a suitable replacement. Other interesting alternatives to Unity are Phaser Editor, Banquise, CrossBrowdy and Hypatia Game Engine.
The most powerful game development platform is now available to everyone. Full engine source code. All features. No royalties. No obligations. No license fee.
PlayCanvas is the world’s easiest to use WebGL Game Engine. It’s free, it’s open source and it’s backed by amazing developer tools.
Pygame is a set of Python modules designed for writing video games. Pygame adds functionality on top of the excellent SDL library. This allows you to create fully featured games and multimedia programs in the python language.
pygame is 2d only unity is 2d and 3d
Phaser Editor is a tool for HTML5 games creation. It provides several built-in editors for texture packing, JavaScript coding, Assets management, and 2D level building.
Banquise is a global community of players and creators. Create any games or other interactive content in no-code and share it with the whole community.
Multimedia JavaScript framework to create real cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps.
Hypatia is a game engine for single player 2D action adventure games. You can use it to make a game like Legend of Zelda: Oracle of Ages and Oracle of Seasons. Hypatia is aimed at non-programmers and programmers alike.
DX Studio combines the latest in real time 3D graphics technology from industry and gaming with rapid application development tools in a powerful 3d engine.
The G3D Innovation Engine is a commercial-grade C++ 3D engine available as Open Source (BSD License). It is used in commercial games, research papers, military simulators, and university courses. G3D supports hardware accelerated real-time rendering, off-line rendering like ray...
Gameeky lets young learners and educators create and explore cooperative games and learning experiences.
Platinum Arts Sandbox Free 3D Game Maker is an open source free game maker, free RPG Maker, free sidescroller maker, free Machinima creator, and game design tool that makes it easy for kids and adults to create video games, maps and worlds.
Nau Engine is a versatile and free game engine built on open-source principles. It's designed to be accessible to developers of all skill levels, enabling the creation of a wide range of interactive experiences.
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Might as well be dead, no one is working on it and requires ancient software.