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CustomIslands Loader

  • How to Fish — CustomIslands Loader
Author:
YoxiUI
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116.82 kB
Date:
September 2, 2026, 08:37 AM
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A foundational mod loader for How to Fish that enables custom, community-created islands. Loaded maps support full gameplay systems: interactive trading and dialogue NPCs, functioning shops with price tags, boat handling, wildlife spawns, and venues like casinos.

Two Island Types:

  • Replacement Islands: Substitute one of the five base-game islands. The in-game map indicates which slot is replaced, borrowing all native NPCs, shops, and campaign progression so everything functions identically to the original.
  • Required files: mapname.bundle and mapname.json placed in HTFMaps.
  • Added Islands: Standalone brand-new locations anchored in open water that overwrite nothing. They appear on the radar in distinct colors with dedicated NPCs, vendors, and creature spawns.
  • Zero Progression Impact: Requires no story milestones to explore and never modifies savegame unlock flags.
  • Required files: mapname.island and mapname.json placed in HTFExtraIslands.

Installation:

  1. Install BepInEx 5 (x64) into your How to Fish game folder, launch the game once, and quit.
  2. Place HTFMapLoader.dll into:
    How to Fish/BepInEx/plugins/
  3. Drop the downloaded island files into their target directories:
  4. Replacement islands: How to Fish/BepInEx/plugins/HTFMaps/
  5. Standalone added islands: How to Fish/BepInEx/plugins/HTFExtraIslands/
  6. Launch the game.

Related files:

Useful links:

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