The Niagara Fluids plugin is a suite of tools designed to add grid-based simulation to Unreal Engine, including the ability to directly simulate gas and water effects. In the sizzle reel below, you'll see what's possible with fire, smoke, pools of water and more: dev.epicgames.com/community/learning/tutorials/orJv/welcome-to-niagara-fluids | Unreal Engine

Eric Anderson presented a series of demos showcasing an FFT-based ocean simulation with fake buoyancy set up in Unreal Engine 5 with Niagara. More demos here: https://80.lv/articles/ocean-simulation-with-fake-gpu-buoyancy-set-up-in-ue5/ | 80 Level