Welcome to FluidNinja LIVE-2: responsive Fluid Simulation for Character and Environment Effects.
Following three years of development, LIVE-2 is released in September 2026, as an upgrade to LIVE-1: Comparison

• Test before purchase! Download LIVE-2 for free, at the Community Server.

• Run the Playable Demo to see LIVE-2 in action and test performance. Video Caps: on RTX3080 and GTX1070

• Read the one-pager Introduction in the Manual!

Features

• Generic: water, fog, smoke, clouds, fire, sand, snow

• Minimal: using 2D sim to drive 3D visualization

• Surface aligned: liquids & gases follow the terrain

• Inputs: bitmaps, RVT, mesh distance fields, landscapes, splines, particles, destructibles, bones

• Outputs: mapping sim density to surfaces and volumes, using sim velocity to drive flow detail maps and particles

• Large areas: simulation attached to player, near background always interactive. Far background: passive patterns

• Scalable: simple mode to paint footprints and trails (no fluidsim) & passive setups when no interaction needed

• Presets & Spawning supported

• Ninja is not replicated and setting up multiplayer config is up to the users: read more!

Learning

Please note: ninja is not a drag-n-drop tool, learning it takes a week!

Buy only if you are willing to invest time to learning. Learning resources:

• The project opens up with a Starting Guide, listing resources

• Tutorial Levels included, with simple demo setups and descriptions

• Searchable online Manual, with Specific Instructions on using ninja

• Description for all ninja params, accessible as UI tooltips and as Searchable Online List

• Personal help and LLM based assistant at the Community Server
  

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