Maxis and EA Confirm The Sims 5 Uses Unreal Engine 5

Published on January 28, 2026 | Translated from Spanish
Conceptual screenshot of The Sims 5: Project Rene showing a modern interior with dynamic lighting and customizable objects, created with Unreal Engine 5.

Maxis and EA Confirm The Sims 5 Uses Unreal Engine 5

The companies Maxis and Electronic Arts have officially announced a key technological change for the future of their franchise. Project Rene, the code name for the next installment known as The Sims 5, abandons the proprietary graphics engine used in previous games to adopt Unreal Engine 5. This strategic decision aims primarily to ensure the game runs smoothly on multiple devices and offers the community more powerful tools to modify its virtual world. 🎮

An Engine Change for a New Era of Customization

The development team continues to create base character and object models in Maya, an industry standard. However, the final visual experience, smoothness, and interaction capabilities are now provided by Epic Games' powerful engine. This technological leap is not just cosmetic; it redefines how players will interact with every element of the game.

Key Advantages of Switching to UE5:
  • Native Multiplatform: Makes it easier for the game to run and look good on PC, consoles, and possibly mobile devices.
  • Integrated Creation Tools: UE5 brings a set of advanced utilities that developers can adapt to empower players.
  • Next-Generation Rendering: Technologies like Lumen for dynamic global illumination and Nanite for virtually unlimited geometry.
The game's visual style maintains a stylized feel, but relies on very advanced rendering technology.

Real-Time Parametric Customization

One of the most ambitious promises is the level of detail to which users will be able to alter objects. It won't be limited to changing colors or surface textures. Thanks to the integration of parametric design tools, similar to CAD software, players will be able to adjust the geometry of furniture. This means modifying the height of a table, the curvature of a chair's backrest, or the structural pattern of a bookshelf instantly.

Features of the New Customization:
  • Deep Geometric Modification: Alter the shape and structure of objects, not just their surface appearance.
  • Coherent Dynamic Lighting: UE5's Lumen system recalculates light in real-time when an object is placed or modified in a room.
  • Unified Interface: Complex parametric tools are integrated accessibly within the gaming experience.

Community Reflections and Expectations

Although the potential is enormous, this technical shift raises questions among fans. The custom content (mods) creator community, a pillar of the saga's longevity, will need to learn to work with UE5's new tools and formats. Additionally, there is curiosity about how this engine will affect the pace and nature of future expansions or content packs. The success of The Sims 5: Project Rene will depend on how Maxis balances its powerful new technology with the creative and accessible essence of the series. 🤔