# Game Engines Each game within the Illuvium Universe undergoes a meticulous investigation phase, during which our team of experts evaluates and selects the most suitable engine to best align with the game's genre and deliver an exceptional gaming experience. Illuvium Overworld and Arena are developed using the cutting-edge Unreal Engine 5, which guarantees visually captivating graphics, highly detailed environments, and immersive gameplay that exceed industry standards. These games leverage the full potential of Unreal Engine 5, ensuring that players are transported to a breathtaking virtual world where they can fully engage with the Illuvium Universe. On the other hand, Illuvium Zero is built using the robust Unity3D engine, which has been specifically chosen for its mobile capabilities and cross-platform support. This allows players to access and enjoy the game seamlessly on a wide range of devices, including smartphones and tablets, without compromising on the quality of the gaming experience. By harnessing the power of Unity3D, Illuvium Zero delivers smooth gameplay and rich graphics, ensuring that players remain captivated and entertained, even when on the go. By selecting the best-suited game engines for each title in the Illuvium Universe, we strive to create a dynamic gaming ecosystem that appeals to a diverse audience and provides an unparalleled gaming experience for our players. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.illuvium.io/illuvium-whitepaper/game-and-backend-technology/game-engines.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.