Comparison · Game engines
Defold vs Unreal Engine: which is better in 2026?
Unreal Engine ranks higher in our list of game engines (#3 against #4, score 91.5 against 89.5), but the gap is small and the better choice depends on what you need.
- 89.5Editorial score91.5
- 3Platforms3
- YesFree to useYes
- NoOpen sourceNo
Which should you choose?
Choose Defold if you want
Small Lua-based games that ship to many platforms.
Free forever with no runtime fees and a small footprint, but the source-available license bars selling modified editor or engine builds. Game logic is written in Lua, which narrows the choice.
Choose Unreal Engine if you want
High-end 3D games and real-time film work.
Free under $1 million in revenue with source access and strong high-end 3D. Above that, a 5% royalty applies, unlike the royalty-free Godot and Defold licenses.
The main differences
- Defold is free; Unreal Engine is free plan, paid upgrades.
Side by side
| Defold |  Unreal Engine | |
|---|---|---|
| Score | 89.5 | 91.5 |
| Rank in list | #4 of 12 | #3 of 12 |
| Price | FreeFree forever with no runtime fees; source available under the Defold License | Free plan, paid upgradesFree under $1M gross revenue; 5% royalty on lifetime revenue above $1M |
| Free to use | Yes | Yes |
| Open source | No | No |
| Platforms | WindowsmacOSLinuxWindows, macOS, Linux | WindowsmacOSLinuxWindows, macOS, Linux |
| Made by | Defold Foundation | Epic Games |
| Scripting language | Lua | C++ and Blueprints |
| 3D support | Yes | Yes |
| Workflow | Editor and code | Editor and code |
| Best for | Small Lua-based games that ship to many platforms | High-end 3D games and real-time film work |
| Strengths |
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| Limits |
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| Links | Visit site | Visit site |
Questions about Defold vs Unreal Engine
- Is Unreal Engine better than Defold?
- Unreal Engine ranks higher in our list of game engines (#3 against #4, score 91.5 against 89.5), but the gap is small and the better choice depends on what you need. Defold is best for: small Lua-based games that ship to many platforms. Unreal Engine is best for: high-end 3D games and real-time film work.
- Which is cheaper, Defold or Unreal Engine?
- Defold: Free forever with no runtime fees; source available under the Defold License. Unreal Engine: Free under $1M gross revenue; 5% royalty on lifetime revenue above $1M.
- Do Defold and Unreal Engine run on the same platforms?
- Defold supports Windows, macOS, Linux. Unreal Engine supports Windows, macOS, Linux.
Choosing between the two
Learning Center
1:17How to decide between two good optionsSettle a close call by sorting it by how hard it is to undo, setting a deadline, scoring the criteria as a tie-breaker and writing down why you chose.
1:20How to compare products fairly: what to keep in mindDefine the job, cap the must-haves, compare like with like, count total cost over one period and weigh the criteria. Includes a worked example.
