Build and ship

From a first scene to a game you can send

Physics you can replay, animation blending with events, and gameplay in TypeScript. Then export one .exe that runs on a Windows PC with nothing installed.

Physics you can replay · Shipped in v0.6.0Rigid bodies, joints, triggers and collision layers on a fixed time step. Run a scene with the same inputs and you get the same result, so replays and automated tests can rely on it.

Also in this area

  • Cars, karts and boats that handle

    Suspension wheels with grip that depends on the surface under each tire, ready-made presets including a drifting kart, and roads built from a file. Boats and other floating craft move on the real ocean waves.

    Shipped in v0.6.0
  • Animation blending and events

    Blend between animations, fire events from points on a clip, and let root motion move the character. Feet are placed on the ground with inverse kinematics.

    Shipped in v0.6.0
  • Record a session, replay it later

    Save a play session's input in a small file and replay it later at any size and from another camera, for reviews and trailers. A profiler capture can replay the same run against your edited project to check a fix.

    Shipped in v0.6.0
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  • Play, slow down, step outside the game

    Run the game inside the editor, slow it down or speed it up, and step out into a free camera to inspect or move things while it keeps running. Simulate runs the game with no player input.

    Shipped in v0.6.0
  • Export a game for Windows

    Export a single .exe that runs on a Windows 10 or 11 PC (64-bit) with nothing installed. Linux builds are in testing.

    Shipped in v0.6.0
  • Engine versions and projects in one place

    Install, check, update and remove engine versions side by side, start from a sample, and keep every project on the version it was made with. A step-by-step start page that takes you from install to a game you can send someone arrives in the next release.

    Shipped in v0.6.0
  • Layered animation with hit windows

    Layer animations by body part (swing a sword while running), mark cancel and hit windows on the clip timeline, and attach weapons and sensors to bones so hits register where the blade actually goes. Feet plant on slopes.

    Coming in next release
  • Bring your own animations

    Convert FBX, BVH, glTF and Blender clips onto one standard humanoid skeleton and play any clip on any character. A contact-sheet preview shows the result before you import.

    Coming in next release
  • Couch co-op

    Split-screen play for up to four players with gamepads.

    Being built now
  • Windows, Linux and web in every release

    Closing the gaps so Windows, Linux and web builds get the same features and tests.

    Being built now
  • A faster first hour

    Clearer start-up steps, plain error messages and more samples.

    Being built now