Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Game Engine Software

Defold vs Open 3D 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
Open 3D Engine #20 in Game Engine Software 7.7/10 Free plan Free plan✓ 3 of 4 features Visit Open 3D Engine

Defold leads on 0 checks, Open 3D 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

Defold scores higher on our rubric for game engine software: 8.7 against 7.7 out of 10; our editors rank them #5 and #20.

On source code model, Defold gives you Source_available where Open 3D Engine offers Open_source.

Defold is the better fit for free developers targeting many platforms. Open 3D Engine is the better fit for open-source modular 3D teams.

  • Defold fits best

    Free developers targeting many platforms

  • Open 3D Engine fits best

    Open-source modular 3D teams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Defold 8.7/10 Visit ↗ Open 3D Engine 7.7/10 Visit ↗
At a glance
Editor score 8.7 7.7
Ranking #5 in Game Engine Software #20 in Game Engine Software
Best for Free developers targeting many platforms Open-source modular 3D teams
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Self-hosted
Platforms Web, Windows, macOS, Linux, iOS, Android Windows, Linux
Support Email, Live chat, Community, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Defold 3/4 · Open 3D Engine 3/4
Visual scripting Not checked yet ✓ (best)
Multiplayer tools ✓ ✓
Mobile export ✓ ✓
Console export ✓ (best) Not checked yet
Specs
Source code model Source_available Open_source
Target platforms Windows, macOS, Linux, iOS, Android, HTML5, PlayStation 4, PlayStation 5, Nintendo Switch Windows, Linux, Android
Scripting languages Lua, Teal, C, C++, C#, Objective-C, Java, JavaScript C++, Lua, Script Canvas
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
  • Free and open source with a modular Gems architecture
  • Physically based rendering, physics, networking, and visual scripting
  • Supports Windows, Linux, macOS, Android, and iOS development
Cons
  • No visual scripting support
  • Console deployment requires approval from the platform holder
  • Multiplayer features rely on the Photon Fusion extension
  • macOS and iOS support are documented as experimental
  • Console deployment is not covered in the published platform details
  • Its broad toolset may require more technical planning than narrower engines
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 →

Open 3D Engine (O3DE) is an open-source, cross-platform real-time 3D engine for building games, simulations, and other interactive experiences. It is aimed at teams that want source-code access, modular engine components, and control over…

Read the review →
  1. DefoldGame Engine Software 8.7Free plan
  2. Open 3D EngineGame Engine Software 7.7Free 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
  • Open 3D Engine — where it wins

    • Free and open source with a modular Gems architecture
    • Physically based rendering, physics, networking, and visual scripting
    • Supports Windows, Linux, macOS, Android, and iOS development

    Where it doesn't

    • macOS and iOS support are documented as experimental
    • Console deployment is not covered in the published platform details
    • Its broad toolset may require more technical planning than narrower engines

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update