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Subnautica

Mounts from your own install through the game's own index of its content. Nothing converts or shows on screen yet.

Ticket
#010
Checked on
Steam, Windows build under Proton
Last checked
October 31, 2026
Files
15,760
Mount
subnautica/pc/83031

Mounting

3 of 4 done
  • Done

    Finds your copy

    Picks up the install on its own, from Steam or wherever it lives.

  • Done

    Reads every file

    Every file reads straight from your copy, in the order the game itself looks them up.

  • Done

    Matches players' copies

    Hashed in full for now. The game's own hash for each bundle waits on a second build to check it against.

  • To do

    Brings its mods

    Planned for BepInEx's plugin folders, once there's a modded copy to check against.

Converting

0 of 4 done
  • To do

    Models

    Its models turn into Evil Engine models.

  • To do

    Textures and materials

    Its textures and materials turn into Evil Engine's own.

  • To do

    Maps

    The seabed waits on reading the game's own world files.

  • To do

    Sounds

    Its sounds turn into Evil Engine sounds.

In game

0 of 3 done
  • To do

    Shows on screen

    Converted content actually draws in Evil Engine.

  • To do

    In the spawn menu

    Its props and models land in your spawn menu, no Plugin needed.

  • To do

    Maps you can visit

    Subnautica mounts, but lists no maps in the Singleplayer menu yet.

Where it stands

Evil Engine finds Subnautica on its own and reads it through the catalog Unity built for it, the game’s own index of its content bundles, along with the world, sound banks and text that sit beside it. That’s 15,760 files. Every one of the 5,467 bundles the catalog names is there at the size it expects, and every bundle reads back in full.

Your copy is fingerprinted in six parts named after what a server would need, such as the vehicles, the creatures, the habitat pieces and the world itself, so a server spawning a vehicle doesn’t ask for the whole 6.6 GB install. Every file matched Steam’s own checksums.

Known issues

  • The game hasn’t been launched on this copy yet, so what it writes once it runs hasn’t been checked.
  • Below Zero is a different game and isn’t recognised yet.
  • The Mac version isn’t recognised until it’s been checked.

Next up

  • Launching the game once and checking what it writes.
  • Mods, once there’s a modded copy to look at.
  • A look at Below Zero’s install, for what it shares with Subnautica.