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Do you want to create planets using New Horizons? Then check out our website for all our documentation!

If you want to see examples of what NH can do check out the examples add-on or real solar system add-on.

Check the ship's log for how to use your warp drive to travel between star systems!

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Incompatible mods

New Horizons conflicts with the mod Common Resources. This mod is a requirement for other mods such as Cheats Mod (we recommend you use the Cheat and Debug Menu mod instead) and OW Randomizer.

Why do these two mods conflict? Common Resources is a mod which reimplements many of the game's features underneath the hood, for one reason or another. For instance, it completely overhauls how the orbits of planets work, as this is a requirement for it to support OW Randomizer. It does this even when you are only using Cheats Mod. In particular, having CR installed seems to, for whatever reason, break character dialogue introduced by New Horizons. As CR is no longer actively maintained, it is unlikely this issue will be resolved any time soon.

Supported Mods

New Horizons has optional support for a few other mods:

  • Discord Rich Presence: Showcase what New Horizons worlds you're exploring in your Discord status!
  • Voice Acting Mod: Characters in NH can be given voice lines which will work with this mod installed. Try it out by downloading NH Examples and talking to Ernesto!
  • Achievements+: New Horizons and its addons have achievements you can unlock with this mod installed!


  • Load planet meshes or details from asset bundles
  • Use our template Unity project to create assets for use in NH, including all game scripts recovered using UtinyRipper
  • Separate solar system scenes accessible via wormhole OR via the ship's new warp drive feature accessible via the ship's log
  • Remove or edit existing planets, including what they orbit around
  • Create custom planets from heightmaps/texturemaps
  • Create stars (and supernovae), comets, asteroid belts, satellites, quantum planets/moons, and custom Dark Bramble dimensions.
  • Add stock planet features to custom ones, such as geysers, cloak fields, meteor-launching volcanoes, rafts, tornados, and Dark Bramble seeds/nodes.
  • Binary orbits
  • Signalscope signals and custom frequencies
  • Surface scatter: rocks, trees, etc, using in-game models, or custom ones
  • Black hole / white hole pairs
  • Custom dialogue, slide-reel projections, translatable text, and custom ship log entries for rumour mode and map mode
  • Funnels and variable surface height (can be made of sand/water/lava/star)


If you want to help (please dear god help us) then check out the contact info below or the contributing page.

The Unity project we use to make asset bundles for this mod is here.


Join the Outer Wilds Modding Discord if you have any questions or just want to chat about modding! Theres a New Horizons category there dedicated to discussion of this mod.


Main authors:

New Horizons was made with help from:

Translation credits:

  • Russian: Tlya
  • German: Nolram
  • Spanish: Ciborgm9, Ink, GayCoffee
  • French: xen
  • Japanese: TRSasasusu

New Horizons was based off Marshmallow was made by:

with help from:

  • TAImatem
  • AmazingAlek
  • Raicuparta
  • and the Outer Wilds discord server.


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