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Free Unreal Engine alternatives

Top Game Engines like Unreal Engine

The most popular alternative to Unreal Engine is Unity, which has a free version. Other great alternatives to Unreal Engine are Godot Engine, Defold, GameMaker, and GDevelop.

Most alternatives to Unreal Engine are in the Game Engines category, compared here by price, platform and features.

Unreal Engine alternatives
AllFreeOpen source
8 apps

All Unreal Engine alternatives

  1. Unity

    Unity is a game engine and editor used to build 2D, 3D, mobile, console, VR and AR games and interactive applications, scripted in C# or with its built-in visual scripting. It exports to a wide range of platforms, from phones and PCs to consoles and headsets, and the Asset Store offers ready-made tools, models and templates. A free Personal plan exists, with paid Pro and Enterprise tiers above a revenue threshold.

    8 Unity alternatives

    Pros

    • Exports to almost every platform, from phones to consoles and headsets
    • Huge Asset Store, extensive documentation and a large community
    • C# scripting plus visual scripting, for both 2D and 3D

    Cons

    • Past licensing changes have shaken trust among developers
    • Editor can feel heavy and slow on large projects
    • Paid tiers become mandatory above a revenue threshold
    Cost / License
    FreemiumProprietary
    Categories
    Game Engines
    Platforms
    WindowsMacLinux
    Features
    2D games3D gamesConsole exportPlugins & extensionsVisual scripting
    Visit websiteMore about Unity

  2. Godot Engine

    118.3Kstars

    Godot is a free, open source game engine released under the MIT license, with no royalties or fees. It provides dedicated 2D and 3D renderers, a scene and node system, its own Python-like GDScript language plus C# support, and a lightweight editor for Windows, macOS and Linux. Games export to desktop, mobile and the web, while console ports go through third-party partners. It is backed by the Godot Foundation.

    7 Godot Engine alternatives

    Pros

    • MIT licensed, with no royalties, fees or revenue thresholds
    • Lightweight editor with a dedicated 2D renderer, not 3D in disguise
    • Easy-to-learn GDScript, C# support and a clean scene and node system

    Cons

    • Console ports have to go through third-party partners
    • Asset store and third-party ecosystem are smaller than Unity’s
    • High-end 3D rendering still trails Unreal and Unity
    Cost / License
    FreeOpen source
    Categories
    Game Engines
    Platforms
    WindowsMacLinux
    Features
    2D games3D gamesPlugins & extensions
    Visit websiteMore about Godot Engine

  3. Defold

    6.4Kstars

    Defold is a free game engine first released by King and now maintained by the independent Defold Foundation. It is known for small build sizes and fast iteration, uses Lua for scripting and exports to Windows, macOS, Linux, iOS, Android and HTML5, with console support available to approved developers. Its source code is public on GitHub under the Defold License, a permissive license with some restrictions.

    7 Defold alternatives

    Pros

    • Free to use with no royalties, backed by an independent foundation
    • Small build sizes and fast iteration, ideal for mobile and web games
    • Lightweight Lua scripting and broad export targets including HTML5

    Cons

    • Smaller community and fewer tutorials than Unity or Godot
    • 3D tooling is basic, as the engine shines mostly in 2D
    • No visual scripting, so coding in Lua is required
    Cost / License
    FreeSource available
    Categories
    Game Engines
    Platforms
    WindowsMacLinux
    Features
    2D games3D gamesConsole exportPlugins & extensions
    Visit websiteMore about Defold

  4. GameMaker

    GameMaker is a 2D game engine owned by Opera, used by indie developers and beginners to create platformers, RPGs and arcade games. Logic can be written in GML Code or built with GML Visual, a drag-and-drop system, and projects export to desktop, mobile, web and consoles. It is free for non-commercial use, with paid licenses for commercial releases and console export.

    7 GameMaker alternatives

    Pros

    • Beginner-friendly, with GML Visual drag-and-drop alongside GML Code
    • Mature, focused toolset for 2D platformers, RPGs and arcade games
    • Exports to desktop, mobile, web and consoles

    Cons

    • Commercial releases and console export require paid licenses
    • Not suited to 3D projects
    • GML is specific to the engine, so skills transfer less easily elsewhere
    Cost / License
    FreemiumProprietary
    Categories
    Game Engines
    Platforms
    WindowsMac
    Features
    2D gamesConsole exportTemplatesVisual scripting
    Visit websiteMore about GameMaker

  5. GDevelop

    27.4Kstars

    GDevelop is a free, open source game engine that lets creators build 2D and 3D games with an event-based visual logic system instead of code. It runs in the browser or as a desktop app, includes templates, an asset store and ready-made behaviors for platformers, physics and pathfinding, and exports to web, Windows, macOS, Linux, Android and iOS. Optional subscriptions add cloud builds and other services.

    7 GDevelop alternatives

    Pros

    • Free and open source, usable in the browser or as a desktop app
    • Event-based logic and ready-made behaviors avoid writing code
    • Exports to web, desktop, Android and iOS

    Cons

    • 3D support is newer and less mature than its 2D tools
    • Cloud builds and some services require a subscription
    • Complex games can outgrow the event system
    Cost / License
    FreemiumOpen source
    Categories
    Game Engines
    Platforms
    WebWindowsMacLinux
    Features
    2D games3D gamesTemplatesVisual scripting
    Visit websiteMore about GDevelop

  6. Construct 3

    Construct 3 is a 2D game engine from Scirra that runs in the web browser and uses event sheets, a visual logic system, so games can be built without traditional programming, with optional JavaScript for advanced users. Games export to HTML5 and to desktop and mobile apps. It is used in schools and by hobbyists and indie developers, with a limited free edition and paid subscriptions for the full feature set.

    7 Construct 3 alternatives

    Pros

    • Runs in the browser, so there is nothing to install
    • Event sheets let beginners build games without writing code
    • Exports to HTML5, desktop and mobile from one project

    Cons

    • Built for 2D games, with minimal 3D capabilities
    • Free edition is limited and the full version is subscription-only
    • Large projects can become hard to organize with event sheets
    Cost / License
    FreemiumProprietary
    Categories
    Game Engines
    Platforms
    Web
    Features
    2D gamesTemplatesVisual scripting
    Visit websiteMore about Construct 3

  7. Houdini

    Houdini is a 3D animation and visual effects application from SideFX built on a node-based procedural workflow, where every step stays editable. Studios use it for simulations such as fire, smoke, fluids, destruction and crowds, and game developers use it to generate environments and assets procedurally. A free Apprentice edition allows non-commercial learning, alongside paid Indie and studio licenses.

    7 Houdini alternatives

    Pros

    • Node-based procedural workflow keeps every step editable
    • Leading toolset for fire, smoke, fluid and destruction simulations
    • Free Apprentice edition for non-commercial learning

    Cons

    • One of the steepest learning curves among 3D applications
    • The free edition watermarks renders and is non-commercial only
    • Overkill for simple modeling or quick motion graphics jobs
    Cost / License
    FreemiumProprietary
    Categories
    3D Modeling & Animation
    Platforms
    WindowsMacLinux
    Features
    AnimationPlugins & extensionsRendering
    Visit websiteMore about Houdini

  8. Blender

    Blender is a free, open source 3D creation suite covering modeling, sculpting, rigging, animation, simulation, rendering with Cycles and EEVEE, compositing and video editing. Its Grease Pencil tools also allow 2D animation inside a 3D space. Developed by the Blender Foundation and a large community, it is used by hobbyists, studios and game developers and can be extended with Python add-ons.

    12 Blender alternatives

    Pros

    • Completely free and open source, with no license or subscription
    • Covers modeling, sculpting, animation, rendering and video editing
    • Large community with countless tutorials and Python add-ons

    Cons

    • Dense interface that takes newcomers time to learn
    • Less established than Maya or 3ds Max in some studio pipelines
    Cost / License
    FreeOpen source
    Categories
    3D Modeling & Animation
    Platforms
    WindowsMacLinux
    Features
    AnimationPlugins & extensionsRenderingSculpting
    Visit websiteMore about Blender

Unreal Engine vs its alternatives at a glance

Pricing, platforms and the key features of Unreal Engine, compared with its most popular alternatives.

Unreal Engine vs its alternatives at a glance
AppPricingPlatforms3D gamesConsole exportPlugins & extensionsVisual scripting
Unreal EngineFreemiumSource availableWindows, Mac, Linux
UnityFreemiumWindows, Mac, Linux
Godot EngineFreeOpen sourceWindows, Mac, Linux
DefoldFreeSource availableWindows, Mac, Linux
GameMakerFreemiumWindows, Mac
GDevelopFreemiumOpen sourceWeb, Windows, Mac, Linux

Unreal Engine alternatives: frequently asked questions

What is the best alternative to Unreal Engine?

The most popular alternative to Unreal Engine is Unity: Cross-platform engine for building 2D, 3D, mobile and XR games. Other great alternatives are Godot Engine, Defold, GameMaker, and GDevelop.

Is there a free alternative to Unreal Engine?

Yes, 8 alternatives are free or have a free plan, including Unity, Godot Engine, Defold, and GameMaker.

Is there an open source alternative to Unreal Engine?

Yes, 3 open source alternatives are listed, including Godot Engine, GDevelop, and Blender.

Is Unreal Engine free?

Unreal Engine has a free plan, with paid plans that unlock more features.

Compare Unreal Engine with its alternatives

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