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115+ fully rigged humanoid avatars (multi-LOD FBX) released by Microsoft Research. Useful crowd / NPC / VR embodiment starter set when you need variety beyond stylized CC0 kits.
[](https://tmhsdigital.github.io/Free-Game-Dev-Assets/entry/microsoft-rocketbox/)
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Maintenance: no push to the GitHub repository microsoft/Microsoft-Rocketbox since 2022-10-02, per the GitHub API on 2026-09-26.
Maintenance: the repository is now archived (read-only), per the GitHub API on 2026-10-22; the API still reports the licence as MIT. Releases and downloads stay available.
README still mentions the older “research/academic” blog framing; LICENSE.md is MIT (updated Dec 2020) — keep the copyright notice.
Paper citation requested for research use; MIT still requires copyright notice in distributions.
What the repository ships beyond the meshes, per its README read 2026-09-23: four poly levels per avatar (hipoly, midpoly, lowpoly, ultralowpoly), 417 animations (added 4/2022), and facial blendshapes (15 visemes, 48 FACS, 30 for the Vive facial tracker, plus ARKit-compatible sets from 6/2022). No other character source in this catalog has facial blendshapes or built-in LODs
Tooling is Unity-first: the import script fixes 3ds Max materials and reorganises bones for Unity's humanoid rig. In Godot or Unreal, plan on doing that step yourself
Keep the MIT copyright and permission notice (LICENSE.md, "Copyright (c) 2020 Microsoft") with redistributed copies of the avatars; no on-screen credit is required. The README's citation request covers research use only
Evidence
LICENSE.md (2026-08-24): MIT License, Copyright (c) 2020 Microsoft — rights include use, modify, sell.
README changelog: “12/2020: Updated license to MIT.”
Live LICENSE.md (2026-09-26): "The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software."
Live README (2026-09-26): "If you are using this library for research you should consider citing it." and "The library of avatars is now released under MIT License."
