Co-op survival sandbox where builders, cooks, and fighters thrive together
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
An effortlessly cozy yet deep world to build up together over weekends.
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Selected for the Logpier co-op catalog with a 91% positive rating across 199 Steam reviews (Hidden Gem: ≤500 reviews & 90%+ positive). Built for 1–6 Players via Online Co-op (All Players Must Own).
Structured around 2+ hrs (Multi-Session) (Survival / Story Campaign) sessions with drop-in/drop-out anytime into the shared world, 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.
The ideal weekend hangout for building a shared world at your own pace.
