Unity is described as 'Real-time 3D engine enabling collaboration to create immersive, interactive experiences on Windows, Mac, and Linux, with extensive platform support' and is a very popular game development tool in the development category. There are more than 100 alternatives to Unity for a variety of platforms, including Windows, Linux, Mac, Web-based and iPhone apps. The best Unity alternative is Godot Engine, which is both free and Open Source. Other great apps like Unity are Unreal Engine, Stride Game Engine, GDevelop and Candlestick.
Fibbo is a free and open-source web-based game engine that allows you to create interactive experiences using JavaScript, right in your browser.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.
ct.js is a 2D game editor (desktop app) based on web technologies. It aims to be an extensible yet simple game-making tool, accessible for both newbies and experienced game developers.
Verge3D is a powerful and intuitive toolkit that allows Blender, 3ds Max or Maya users to create immersive web-based experiences. Verge3D can be used to build interactive animations, product configurators, engaging presentations of any kind, online stores, explainers, e-learning...
Stencyl isn't your average game creation software; it's a gorgeous, intuitive toolset that accelerates your workflow and then gets out of the way. We take care of the essentials, so you can focus on what's important - making your game yours.
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.
Torque 3D is a easy-to-use game creation platform. Architected from the ground up for maximum flexibility and performance across a wide range of hardware and built upon the Frontline award-winning Torque Game Engine Advanced, Torque 3D comes equipped with a full suite of tools...
The Godot Android Build Environment is a companion app for the Godot Android Editor that provides a build environment to perform Gradle builds when running natively on an Android device.
Browser-based 2D game creation engine using a visual event-driven system, integrates JavaScript for advanced development, requires no installation or prior programming, supports exporting to HTML5, mobile platforms, Xbox One, and enables real-time editing on any device.
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Easy to use. Integrated with EEvee render. Free.Very powerful. All-in-one package solution;