Action RPG Development: Pre-production Collaboration

Project Title: Open-World Action RPG (Pre-Production / Long-Term Collaboration)
Project Overview:
I am developing a large-scale open-world action RPG with deep combat systems, creature taming, NPC armies, reputation mechanics, and post-campaign world changes. This project is currently in pre-production with a fully documented game design already in progress.
I am seeking experienced game developers to collaborate on building early gameplay systems and prototypes based on an existing design document. This is a long-term project intended for PC, PlayStation, and Xbox.

What I Need Right Now (Phase 1):
Gameplay programming (combat systems, abilities, AI behavior)

Open-world systems (NPC reactions, wildlife behavior, factions)

Character mechanics (multiple species/classes, progression systems)

Early prototype or vertical slice (NOT a full game yet)

Game Style & Scope:
Open-world action RPG (offline single-player first)
Heavy inspiration from GTA, RDR2, Fallout, Far Cry, Shadow of War.

Multiple playable character species (humans, supernatural, hybrids, etc.)

Dynamic NPCs, recruitable followers, armies, territory control.

Deep melee, ranged, magic, and power-based combat.

World changes after main story completion

Important Notes:
I am the original creator and IP owner of this project.
A detailed game design document will be shared after NDA / agreement.
I am open to backend revenue share / royalty-based compensation rather than full upfront payment.
Clear communication, respect for the existing vision, and long-term commitment are essential.
Ideal Freelancer / Team:
Experience with Unreal Engine or Unity
Prior work on RPGs, open-world games, or complex AI systems
Comfortable working remotely with detailed written direction
Willing to collaborate iteratively and provide early builds for review
This project has serious long-term potential and is intended to scale into a full commercial release.