Deep co-op automation and base engineering where division of labor shines
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!



Pure cooperative flow state for friends who love building systems.
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
Selected for the Logpier co-op catalog with a 84% positive rating across 3,708 Steam reviews (Popular Hit: 2,000+ reviews). 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.