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Epic Veteran Arjan Brussee Plans 'The Immense Engine,' a Europe-Hosted Rival to Unreal and Unity

The effort aims to offer a regionally controlled 3D platform that uses AI-native tooling for games and industrial simulations.

Overview

  • Arjan Brussee, a former Unreal Engine product lead and co‑founder of Guerrilla Games, says he is building The Immense Engine as a European rival to Unreal and Unity.
  • He describes the platform as fully hosted in Europe and built by European teams to comply with European rules and guidelines.
  • Brussee says the engine will bake in AI tools, with agent frameworks that he claims can do the work of ten to fifteen people.
  • He pitches uses beyond games, including 3D simulations for defense and logistics where data control and residency matter.
  • Reporting indicates development has begun, though no release timeline or concrete product details have been disclosed.