subnautica-ii-coop-bepinex-mod

Configure a BepInEx multiplayer mod for synchronized Subnautica II co-op sessions.

4|Updated May 16, 2026
One-click install
npx skills add https://github.com/Aradotso/devtools-skills --skill subnautica-ii-coop-bepinex-mod
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: subnautica-ii-coop-bepinex-mod
Source: https://github.com/Aradotso/devtools-skills/tree/main/skills/subnautica-ii-coop-bepinex-mod
Command: npx skills add https://github.com/Aradotso/devtools-skills --skill subnautica-ii-coop-bepinex-mod

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill solves the problem of playing Subnautica 2 with friends while keeping world state, inventory, and progression consistent across players.

Core Features & Use Cases

  • BepInEx-based co-op session sync: Enables deterministic session synchronization via a BepInEx plugin approach instead of modifying game files, suitable for stable multiplayer setup.
  • Shared inventory integrity: Synchronizes player inventory using Merkle tree verification to reduce desync and conflicts during cooperative play.
  • Optional AI-driven narrative: Supports API-integrated procedural narration for co-op storytelling, useful for roleplay, quest journaling, or immersive scenario generation.

Quick Start

Ask: “Help me install and configure the Subnautica II Co-op BepInEx mod and troubleshoot inventory desync, using the synergy_profile.json settings.”

Frequently Asked Questions about subnautica-ii-coop-bepinex-mod

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up Subnautica 2 co-op multiplayer using BepInEx?▼

To enable Subnautica 2 co-op, install the BepInEx plugin and configure networking options in synergy_profile.json to host or join synchronized multiplayer sessions.

Why does my Subnautica 2 multiplayer inventory desync between players?▼

Inventory desync is mitigated by the mod using Merkle tree verification to synchronize shared inventory and reduce conflicts. You can use in-game console commands to force a resync.

Can I add AI narration to my Subnautica 2 co-op sessions?▼

Yes, AI-driven narration can be triggered by configuring OpenAI or Claude API keys in synergy_profile.json, enabling procedural storytelling and immersive scenario generation for co-op sessions.

Do I need an OpenAI API key to use the Subnautica 2 BepInEx co-op mod?▼

An OpenAI or Claude API key is only required if you want to enable the optional AI-driven procedural narration feature; standard co-op multiplayer sync works without configuring API keys.

How do I troubleshoot a broken Subnautica 2 multiplayer session?▼

Troubleshoot broken Subnautica 2 multiplayer sessions by using the provided in-game console commands to check session status, trigger a resync, or manage the overall session lifecycle.

Does this BepInEx mod scale difficulty for multiple players in Subnautica 2?▼

Yes, the mod supports adjusting difficulty scaling for multiple players, allowing you to balance co-op gameplay when hosting or joining synchronized Subnautica 2 sessions.