{
  "$comment": "How LCM 3D Navigation AI compares with other Unreal Engine 5 3D navigation options. Every cell about another product comes from its own page (sources), read on the date below; 'Not documented' means the vendor does not say, not that the feature is missing. Feeds /unreal-engine-3d-pathfinding-plugins-compared/ and llms.txt (tools/site/pages.mjs, tools/site/seo.mjs). Re-check before each release.",
  "checked": "2026-10-24",
  "rows": [
    ["price", "Price"],
    ["licence", "Licence"],
    ["engine", "Unreal Engine"],
    ["updated", "Last update"],
    ["bounds", "Bounds volume"],
    ["worlds", "Open worlds"],
    ["bt", "Behaviour Tree"],
    ["statetree", "StateTree"],
    ["mass", "Mass Entity crowds"],
    ["eqs", "3D EQS"],
    ["moving", "Moving obstacles"],
    ["multiplayer", "Multiplayer"],
    ["gpu", "GPU-built navigation"],
    ["locomotion", "Flight and swim movement"],
    ["rating", "Fab rating"]
  ],
  "products": [
    {
      "id": "lcm",
      "name": "LCM 3D Navigation AI",
      "vendor": "UEDEV",
      "kind": "Fab plugin",
      "url": "https://www.fab.com/listings/92f05e42-d7be-4de3-abe8-7b0a3e70ba73",
      "cells": {
        "price": "$199.99 Personal · $1,499.99 Professional",
        "licence": "One-time purchase on Fab, full C++ source",
        "engine": "5.2 to 5.8",
        "updated": "October 2026 (3.6.0)",
        "bounds": "Not needed in infinite mode",
        "worlds": "Infinite streamed chunks, pre-baked chunks, World Partition",
        "bt": "31 nodes",
        "statetree": "41 nodes",
        "mass": "13 nodes, 8 traits, 10,000+ agents",
        "eqs": "5 generators, 8 tests, 4 contexts",
        "moving": "Restamps the octree; Fly To predicts movers and times its pass",
        "multiplayer": "Server-authoritative replication",
        "gpu": "Yes, on D3D12, D3D11 and Vulkan, checked on each machine",
        "locomotion": "6-DOF component: multirotor, jet, bird, fish",
        "rating": "5.0 (3 ratings)"
      }
    },
    {
      "id": "mercuna",
      "name": "Mercuna 3D Navigation",
      "vendor": "Mercuna",
      "kind": "Middleware",
      "url": "https://mercuna.com/",
      "fit": "A studio that wants commercial middleware with a support contract.",
      "sources": ["https://mercuna.com/licensing/", "https://mercuna.com/documentation/unreal-user-guide/"],
      "cells": {
        "price": "£2,500 Indie (budget under $500k, Windows only, no source) · £15,000 Standard",
        "licence": "Per title, with 1 year of support",
        "engine": "5.4 and later",
        "updated": "June 2026 (3.6)",
        "bounds": "Required (Nav Octree Volume)",
        "worlds": "World Partition and level streaming",
        "bt": "Move To and Is Reachable",
        "statetree": "Not documented",
        "mass": "Not documented",
        "eqs": "Yes",
        "moving": "Obstacle component; volumes rebuild at runtime",
        "multiplayer": "Not documented",
        "gpu": "Not documented",
        "locomotion": "Not documented",
        "rating": "Not on Fab"
      }
    },
    {
      "id": "fns",
      "name": "Flying Navigation System",
      "vendor": "Ben Sutherland",
      "kind": "Fab plugin",
      "url": "https://www.fab.com/listings/343a9376-61f1-43ec-9bd3-6fe8370df064",
      "fit": "A single, bounded level where a low price matters most and agents use the stock Move To.",
      "sources": ["https://www.fab.com/listings/343a9376-61f1-43ec-9bd3-6fe8370df064", "https://blendersleuth.github.io/FlyingNavSystemSite/troubleshooting.html"],
      "cells": {
        "price": "$49.99 · $79.99",
        "licence": "One-time purchase on Fab",
        "engine": "4.24 to 5.8",
        "updated": "June 2026",
        "bounds": "Required (Nav Mesh Bounds Volume)",
        "worlds": "One octree per level; no level streaming",
        "bt": "Works with the stock Move To",
        "statetree": "No",
        "mass": "Not documented",
        "eqs": "Yes",
        "moving": "Constantly moving obstacles not supported",
        "multiplayer": "Paths solved on the server; navigation data not replicated",
        "gpu": "Not documented",
        "locomotion": "No movement component",
        "rating": "4.65 (17 ratings)"
      }
    },
    {
      "id": "aeonix",
      "name": "AeonixNavigation",
      "vendor": "midgen",
      "kind": "Open source (MIT)",
      "url": "https://github.com/midgen/AeonixNavigation",
      "fit": "A free, open-source starting point for teams ready to build on beta code.",
      "sources": ["https://github.com/midgen/AeonixNavigation"],
      "cells": {
        "price": "Free",
        "licence": "MIT, beta",
        "engine": "5.5 to 5.8",
        "updated": "October 2026",
        "bounds": "Required (bounding volume)",
        "worlds": "Not documented",
        "bt": "Move To task",
        "statetree": "Move To task",
        "mass": "Not documented",
        "eqs": "EQS generators",
        "moving": "Experimental dynamic regions",
        "multiplayer": "Not documented",
        "gpu": "Not documented",
        "locomotion": "Flying movement component",
        "rating": "Not on Fab"
      }
    },
    {
      "id": "nav3d",
      "name": "Nav3D",
      "vendor": "darbycostello",
      "kind": "Open source (MIT)",
      "url": "https://github.com/darbycostello/Nav3D",
      "fit": "Free 3D A* with chunking for teams who will maintain the code themselves.",
      "sources": ["https://github.com/darbycostello/Nav3D"],
      "cells": {
        "price": "Free",
        "licence": "MIT",
        "engine": "5.6",
        "updated": "January 2026",
        "bounds": "Required (Nav3D Bounds Volume)",
        "worlds": "Chunking and World Partition",
        "bt": "Move To",
        "statetree": "No",
        "mass": "No",
        "eqs": "Not documented",
        "moving": "Granular rebuild",
        "multiplayer": "No",
        "gpu": "Not documented",
        "locomotion": "No",
        "rating": "Not on Fab"
      }
    }
  ],
  "others": [
    { "name": "Havok Navigation for Unreal", "url": "https://www.havok.com/havok-navigation-for-unreal/", "note": "Microsoft middleware with voxel volumes for flying and swimming; $50,000 per Havok product for budgets up to $20m (havok.com/pricing).", "sources": ["https://www.havok.com/pricing/"] },
    { "name": "Kythera AI", "url": "https://kythera.ai/", "note": "AI middleware licensed per title with source; prices are not published, and flight navigation is not documented.", "sources": ["https://kythera.ai/licensing/"] },
    { "name": "AeroNav 3D", "url": "https://www.fab.com/listings/780d4113-034d-456a-8a47-d1adbfb3f19c", "note": "Fab, $49.99 / $119.99, UE 5.3 to 5.8: an octree baked inside a volume, Blueprint nodes; runtime rebaking is planned." },
    { "name": "Smart Flying Navigation", "url": "https://www.fab.com/listings/256ea996-5989-4c8c-b9f4-ce2182fe0999", "note": "Free on Fab for UE 5.6: an editor-baked octree with A*, Lazy Theta* and ORCA avoidance, Windows only." },
    { "name": "3D Path Finding", "url": "https://www.fab.com/listings/f38f8172-7409-4a4c-b7bd-7e166ef75a96", "note": "Fab, $99.99 / $349.99, UE 5.0 to 5.8: a 3D grid with Behaviour Tree support; avoidance is in progress." },
    { "name": "DoN's 3D Pathfinding (DonAINavigation)", "url": "https://github.com/VSZue/DonAINavigation", "note": "Free (MIT), built for UE4: its last substantive update targets UE 4.19 (2018)." },
    { "name": "HyperNav", "url": "https://assetstore.unity.com/packages/tools/behavior-ai/hypernav-3d-pathfinding-and-navigation-235638", "note": "A Unity asset, not available for Unreal Engine." }
  ]
}