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Defold

Free, open-source game engine maintained by the Defold Foundation (previously King). Targets mobile, web, and desktop with a lightweight Lua scripting API and zero-cost publishing.

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Our Verdict

Underrated 2D mobile engine with excellent output size; ignored by most because Unity and Godot dominate mindshare.

Pros

  • Tiny runtime and fast iteration on mobile and web
  • Truly free with no revenue share or hidden fees
  • Lua scripting with a clean message-based architecture
  • HTML5 export performance is best-in-class for 2D

Cons

  • 3D support exists but lags far behind Godot and Unity
  • Editor UX feels sparse compared to modern engines
  • Asset store and community smaller than competitors
  • Lua-only means no C# or TypeScript alternatives
Best for: Indie 2D mobile and HTML5 games where tiny binaries and zero fees matter Not for: 3D-heavy titles or teams wanting C#, visual scripting, or massive asset store

When to Use Defold

Good fit if you need

  • Mobile-first 2D game shipping to iOS and Android with 0% royalty
  • HTML5 game embedded in web page via Defold web export
  • Lua-scripted game jam entry built in 48 hours
  • Lightweight game client for a casual hyper-casual title
  • Cross-platform puzzle game published on itch.io for free

Lock-in Assessment

Low 5/5
Lock-in Score
5/5

Defold Pricing

Pricing Model
free
Free Tier
Yes
Entry Price
Enterprise Available
No
Transparency Score

Beta — estimates may differ from actual pricing

1,000
1001K10K100K1M

Estimated Monthly Cost

$25

Estimated Annual Cost

$300

Estimates are approximate and may not reflect current pricing. Always check the official pricing page.

Community Discussion

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