One of the most popular alternatives to Unreal Engine is Godot Engine, which is free and open source. Other popular alternatives are Unity, GDevelop, Candlestick and CRYENGINE. You're spoiled for choice with Game Development Tools like Unreal Engine: we list more than 100 alternatives for Windows, Linux, Mac, the web and Android.
Leadwerks Game Engine provides the smoothest learning curve to take you from beginner to full-fledged game developer. Use the visual editor and the flowgraph system to set up game interactions without code. Use Lua to write your own game scripts.
United States
Rogue Engine is a full featured environment for game development using WebGL. Create projects in an intuitive and familiar 3D environment using configurable components made with TypeScript.
Buildbox is a breakthrough game creation experience. Creating games is as easy as dropping images into the software, making changes to their properties and hitting play.
United States
3D game engine that uses web technologies. Perfect for those who already know TypeScript and want to collaborate with designers and artists to create 3D experiences.
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The only true complete development platform for online games. HeroEngine seamlessly integrates the entire client and server architecture required to operate an online game directly into the development process.
United Kingdom
Blend4Web is an Open Source tool for interactive 3D visualization on the Internet. It provides Free and Commercial licenses.
United States
Amethyst uses gfx-rs to render graphics with Vulkan or Metal. It is meant to be used for 2D and 3D, with various utilities for both types of games. It should be beginner friendly but also allow more advanced uses such as custom render passes and GLSL shaders.
Build 3D apps with near-native 3D performance that run on mobile, desktop and XR.
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Atavism opens up development opportunities of virtual online worlds to everyone regardless of programming knowledge or artistic ability.
Verus Engine is a modern, platform-agnostic 3D game engine. It is developed using C++ and HLSL. It is based on Direct3D 12 and Vulkan graphics APIs. The code is user friendly and well optimized.
EstoniaEU
Your project’s smart 3D digital twin as a Service. SmartShape (formerly Minko) is a technology to develop and design rich, interactive and universal 3D applications targeting computers, web browsers and mobile platforms.
