Free Unity Alternatives

The best free alternative to Unity is Godot Engine, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Unity and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Unity are Unreal Engine, GDevelop, Candlestick and Stride Game Engine.

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Most Unity alternatives are Game Development Tools, but you can also narrow the list to 3D Modelers or Role-playing Games. Other popular filters are 3D Game Engine, Linux, Open Source, Online and Free. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
Unity alternatives page was last updated

Alternatives list

  1. Project Spark is a powerful, yet simple way to build and play your own worlds, stories and games.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Since

    • Since 2015

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  2. Intrinsic icon
     2 likes

    Intrinsic is a Vulkan based cross-platform graphics and game engine.

    Cost / License

    Since

    • Since 2018

    Platforms

    • Windows
    Good alternative?
     
  3. Wintermute Engine Development Kit is a set of tools for creating and running graphical “point&click” adventure games, both traditional 2D ones and modern 2.5D games (3D characters on 2D backgrounds).

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2010

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  4. UrhoSharp icon
     1 like

    UrhoSharp is a lightweight Game Engine suitable for using with C# and F# to create games and 3D applications. The game engine is available as a portable class library, allowing your game code to be written once and shared across all platforms.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2018

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  5. Reality Factory is a program that - in conjunction with other tools - allows you to create 1st and 3rd person perspective games without programming! Reality Factory is built on top of the powerful Genesis3D Open Source engine and supports all major 3D graphics cards.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    Good alternative?
     
  6. Drag[en]gine icon
     1 like

    A free software game engine focusing on developing games faster, more modular and stable with true -1 day portability support.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2025

    Platforms

    • Windows
    • Linux
    • Haiku
    Good alternative?
     
  7. SpriteKit icon
     Like

    SpriteKit is a general-purpose framework for drawing shapes, particles, text, images, and video in two dimensions. It leverages Metal to achieve high-performance battery-efficient rendering and 2d games and other graphics-intensive apps.

    35 SpriteKit alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2020

    Platforms

    • Mac
    • iPhone
    • iPad
    • Apple Watch
    • Apple TV
    Good alternative?
     
  8. Alice icon
     12 likes

    Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  9. LunarEngine icon
     1 like

    LunarEngine (formerly Librebox) is an open-source game engine powered by Luau. It delivers a sandbox-style API and development model inspired by popular sandbox engines, so existing Luau code runs with minimal changes.

    Cost / License

    • Free
    • Open Source (MIT)

    Since

    • Since 2025

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  10. A 3D game engine for GameCube, Wii, 3DS, Windows, Linux, and Android.

    Cost / License

    • Free
    • Open Source (MIT)

    Since

    • Since 2025

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  11. ursina icon
     Like

    Ursina makes it easier to develop games, visualizations and other kinds software. The concise API combined with the power of the Python programming language, makes life easier for the developer so they can focus on what they are making.

    Cost / License

    • Free
    • Proprietary (MIT)

    Application type

    Since

    • Since 2020

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  12. Keolot Phaser Editor is a free visual development environment for 2D browser games on the open source Phaser engine with integrated Matter JS physics. The application has a built-in ability to visually create and edit scenes, game objects, animations, audio and keys, write game...

    Cost / License

    • Free
    • Proprietary

    Since

    • Since 2025

    Platforms

    • Windows
    • Online
    • Android
    Good alternative?
     
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