Deep Rock Galactic

A 1-4 player cooperative first-person shooter where space dwarves mine procedurally generated caves and fight off swarms of alien bugs. Four distinct classes (Scout, Engineer, Gunner, Driller) encourage teamwork for traversal, combat, and objective completion. The destructible environments and fully traversable caves create emergent, chaotic fun. A paid game with a cosmetic-only monetization model, it is praised for its developer transparency and constant free seasonal updates.

It ranks highly as a premier co-op experience due to its fantastic class synergy, endless replayability, and a uniquely positive and collaborative community fostered by its design.