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Head-to-head · Game Engine Software

Defold vs Flax Engine

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Defold #5 in Game Engine Software 8.7/10 Free plan Free plan✓ 3 of 4 features Visit Defold
Flax Engine #22 in Game Engine Software 7.5/10 Free plan Free plan✓ 4 of 4 features Visit Flax Engine

Defold leads on 0 checks, Flax Engine on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDefold · 8.7/10
  • Free planboth
  • Most featuresFlax Engine · 4 of 4

Defold scores higher on our rubric for game engine software: 8.7 against 7.5 out of 10; our editors rank them #5 and #22.

Defold is the better fit for free developers targeting many platforms. Flax Engine is the better fit for teams wanting Unreal-like breadth.

  • Defold fits best

    Free developers targeting many platforms

  • Flax Engine fits best

    Teams wanting Unreal-like breadth

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Side by side

Feature Defold 8.7/10 Visit ↗ Flax Engine 7.5/10 Visit ↗
At a glance
Editor score 8.7 7.5
Ranking #5 in Game Engine Software #22 in Game Engine Software
Best for Free developers targeting many platforms Teams wanting Unreal-like breadth
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Desktop
Platforms Web, Windows, macOS, Linux, iOS, Android Windows, Linux
Support Email, Live chat, Community, Docs Docs, Community
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Defold 3/4 · Flax Engine 4/4
Visual scripting Not checked yet ✓ (best)
Multiplayer tools ✓ ✓
Mobile export ✓ ✓
Console export ✓ ✓
Specs
Source code model Source_available Source_available
Target platforms Windows, macOS, Linux, iOS, Android, HTML5, PlayStation 4, PlayStation 5, Nintendo Switch Windows, Linux, Android, iOS, PlayStation 4/5, Xbox One/Series, Nintendo Switch
Scripting languages Lua, Teal, C, C++, C#, Objective-C, Java, JavaScript C#, C++
Our review
Pros
  • Free engine with desktop, mobile, web, and console deployment
  • Integrated editors, debugger, profiler, hot reload, and live updates
  • Lua scripting with networking and native extension support
  • Supports C++, C# and visual scripting
  • Includes multiplayer, VFX, animation and open-world tools
  • Exports across desktop, mobile, web and consoles
Cons
  • No visual scripting support
  • Console deployment requires approval from the platform holder
  • Multiplayer features rely on the Photon Fusion extension
  • Commercial releases generally use a revenue-share license
  • Console deployment may require platform-specific access or licensing
  • Public source is available under the Flax EULA, not an open-source license
Our verdict

Defold is a free, source-available game engine for indie developers, students, and studios creating 2D and lightweight 3D games. Its workflow combines an editor, runtime, Lua-based game-logic scripting, build pipeline, and deployment…

Read the review →

Flax Engine is a 3D game engine for independent developers, studios and teams creating games or interactive applications. Its editor combines C++ and C# scripting with visual scripting, while the broader toolkit covers rendering,…

Read the review →
  1. DefoldGame Engine Software 8.7Free plan
  2. Flax EngineGame Engine Software 7.5Free plan

Strengths and trade-offs

  • Defold — where it wins

    • Free engine with desktop, mobile, web, and console deployment
    • Integrated editors, debugger, profiler, hot reload, and live updates
    • Lua scripting with networking and native extension support

    Where it doesn't

    • No visual scripting support
    • Console deployment requires approval from the platform holder
    • Multiplayer features rely on the Photon Fusion extension
  • Flax Engine — where it wins

    • Supports C++, C# and visual scripting
    • Includes multiplayer, VFX, animation and open-world tools
    • Exports across desktop, mobile, web and consoles

    Where it doesn't

    • Commercial releases generally use a revenue-share license
    • Console deployment may require platform-specific access or licensing
    • Public source is available under the Flax EULA, not an open-source license
  • Defold8.7/10 · Free plan

    A free Lua-focused engine with broad deployment, networking, and built-in development tools.

    Visit DefoldFull verdict →
  • Flax Engine7.5/10 · Free plan

    Broad 3D development tools for teams building games across desktop, mobile, web and consoles.

    Visit Flax EngineFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update