The development of Behemoth for VR represents a technical milestone by combining the colossal scale of its creatures with the physical immersion of combat. Built on Unreal Engine 5, the studio has integrated Maya for modeling massive beasts and Houdini for procedural effects, solving the unique challenges imposed by real-time virtual reality.
Polygon optimization and LODs for giant creatures in VR 🎮
The biggest technical challenge in Behemoth is maintaining a stable framerate in VR while rendering creatures that occupy the entire field of view. The team used Maya to create high-density meshes with clean topology, then generating multiple levels of detail (LODs) that activate based on distance. Houdini came into play to generate particle systems and procedural destruction without impacting the CPU. UE5's dynamic lighting, with Lumen adjusted for VR, allows the giants' shadows to be projected in real-time without sacrificing performance, using an aggressive culling system that hides non-visible geometry.
Immersive physical combat and real-time realism ⚔️
Behemoth's combat relies on realistic physics implemented with UE5's Chaos system, where each blow against a colossal creature must feel heavy and reactive. The developers used Houdini to simulate skin tearing and armor fragmentation, while Maya served for advanced rigging that allows monsters to react to the player's force. The key is that the scale does not break immersion: the player's movements in VR translate into impacts that deform the environment, making the user feel the weight of facing a 50-meter being.
How did the developers of Behemoth VR manage to maintain performance stability in Unreal Engine 5 when rendering creatures of colossal scale while integrating Houdini simulations and Maya animations without compromising the physical immersion of real-time combat?
(PS: optimizing for mobile is like trying to fit an elephant into a Mini Cooper)