SECOND SPAWN

Hybrid MMO + Top-down ARPG with AI-driven NPCs and AI agent for offline players. Set in the MetaDOS universe (~2050 post-apocalyptic sci-fi).

Status: Pre-alpha, vertical slice in development

Genre: Action RPG, Multiplayer Online, Sci-fi Cyberpunk

Core Features

• AI Agent 24/7 - Your character keeps playing when you are offline. An LLM-driven agent farms, quests, and socializes on your behalf.
• Reincarnation - Death is permanent for the body. Transfer your consciousness to a new synthetic body using SECOND tokens. Progression resets - this is a roguelike-MMO hybrid.
• Time-as-Currency - Time is both your current body's survival resource and a spendable economy resource, adapted from MetaDOS.
• Sci-fi Cultivation - 6-tier progression system (Awakening -> Ascension), explained through Nibirium-enhanced biotech and consciousness science.
• LLM-Powered NPCs - NPCs remember you, have personality, and react to your history.
• NFT Integration - Inherit assets from the MetaDOS universe. Hunter skins, weapons, pets on DOS Chain.

Tech Stack

• Unity 6.5 beta + URP
• Photon Fusion 2 (dedicated server mode in production)
• Supabase (auth, Postgres, realtime, storage)
• Go LLM gateway (server-authoritative LLM intent validation)
• DOS Chain (NFT, wallet auth via thirdweb)
• Convai (phase 1 NPC dialogue) -> custom LLM (phase 2)

Repository Structure

/Unity/           Unity project (Assets, Packages, ProjectSettings)
/backend/        Go LLM gateway, server-side services
/docs/            Design docs, ADRs, architecture
/.claude/         AI agent context, templates, conventions

Public docs are published from /docs to GitBook:

https://dos.gitbook.io/second-spawn/

Build (early stage)

Requirements:

• Unity 6.5 beta 6000.5.0b7
• Git LFS
• Photon Fusion 2 app ID
• Supabase project (or local Postgres for offline dev)

git clone https://github.com/DOS/Second-Spawn.git
cd Second-Spawn
git lfs install
git lfs pull

Open the Unity/ subfolder in Unity Hub, let it compile, then configure Photon app ID and Supabase URL in Unity/Assets/_SecondSpawn/Settings/SecondSpawnConfig.asset.

Contributing

Contributors welcome. See CONTRIBUTING.md. Good first issues labeled in GitHub Issues.

License

• Code: AGPL-3.0 (see LICENSE). If you fork and run this code as a network service (which a multiplayer game is), you must release your source modifications under AGPL-3.0 too.
• Assets: CC-BY-NC 4.0 (see LICENSE-ASSETS). No commercial use.
• NFT-related logic and assets: Reserved by DOS.AI ecosystem rights. Not licensed under AGPL/CC-BY-NC.

This dual license combination is deliberate: anyone can study, contribute, and self-host for personal use, but commercial forks must either contribute back or seek a separate commercial license from DOS.AI.

Brand

Part of the DOS.AI product family. Universe shared with MetaDOS.