Deep co-op automation and base engineering where division of labor shines
Start as a humble birb, eat popcorn, and evolve into a cosmic force of nature! Birb blends addictive idle mechanics with active roguelite expeditions. Build your nest, catch rare fish, challenge bosses, and compete on the global leaderboard. How many pecks will it take to rule the world?



Pure cooperative flow state for friends who love building systems.
Start as a humble birb, eat popcorn, and evolve into a cosmic force of nature! Birb blends addictive idle mechanics with active roguelite expeditions. Build your nest, catch rare fish, challenge bosses, and compete on the global leaderboard. How many pecks will it take to rule the world?
Selected for the Logpier co-op catalog with a 82% positive rating across 419 Steam reviews (Verified Co-op Pick). 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.