U

Unreal Engine

AAA-quality engine with powerful visual scripting

freemium Free until $1M revenue, then 5% royalty

Unreal Engine by Epic Games is the gold standard for high-fidelity 3D games. Blueprints visual scripting makes it accessible to non-programmers. Free until your game earns over $1M, making it viable for ambitious indie projects.

Highlights

  • + Industry-leading 3D rendering and lighting (Nanite, Lumen)
  • + Blueprints visual scripting — no code required
  • + Massive free asset library (Megascans, marketplace giveaways)
  • + No upfront cost — royalty only kicks in after $1M

Limitations

  • Steep learning curve — overwhelming for beginners
  • Heavy system requirements for the editor
  • Overkill for simple 2D or small-scope games

Platforms

Windows macOS Linux Mobile