If you are looking for a similar island survival experience that natively supports 4 or more players, you might consider these titles:
As of early 2026, there is no officially released, stable, or widely recognized mod that officially supports a 4-player cooperative mode. Despite rumors and community demand, the game’s core engine is heavily optimized for single-player or two-player split-screen/remote play. stranded deep 4 player mod
The "4-Player Mod" is not always a single, definitive file on a modding hub. Instead, it relies on community-made multiplayer expansion scripts—often distributed via Unity modding tools like BepInEx or the Unity Mod Manager—or specific configurations using Steam Remote Play Together. If you are looking for a similar island
Modding Stranded Deep for co-op is a bit more technical than using a Steam Workshop, but it's perfectly achievable. Here is the standard method: there is no officially released