Deep co-op automation and base engineering where division of labor shines
Namako (Sea cucumbers) will save the Earth—NAMAKORIUM is a chaotic, cooperative multiplayer RTS game for up to four players. Command the “cleaners of the sea” —Namako left behind by humanity and work together to clean up the polluted oceans!



Pure cooperative flow state for friends who love building systems.
Namako (Sea cucumbers) will save the Earth—NAMAKORIUM is a chaotic, cooperative multiplayer RTS game for up to four players. Command the “cleaners of the sea” —Namako left behind by humanity and work together to clean up the polluted oceans!
Selected for the Logpier co-op catalog with a 92% positive rating across 151 Steam reviews (Hidden Gem: ≤500 reviews & 90%+ positive). Built for 1–4 Players via Online Co-op (All Players Must Own).
Structured around 2+ hrs (Multi-Session) (Survival / Story Campaign) sessions with join the host factory session anytime, making it an easy shortlist contender for game night.
Note: This guide is an AI-assisted curation summary synthesized from public Steam store metadata and user review signals. First-hand squad play notes submitted by community reviewers appear separately below.
One player optimizes belts while another explores—hours vanish effortlessly.