Squad-based co-op shooter with distinct class synergies and objective play
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology. Protect the city by building a network of defensive structures, commanding an army, and jumping into battle against dangerous sky scraping attackers. Fight for Earth alone or with up to four players for the ultimate co-op defense experience.



Tight 1–2 hour mission pacing with satisfying co-op firepower.
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology. Protect the city by building a network of defensive structures, commanding an army, and jumping into battle against dangerous sky scraping attackers. Fight for Earth alone or with up to four players for the ultimate co-op defense experience.
Selected for the Logpier co-op catalog with a 75% positive rating across 218 Steam reviews (Verified Co-op Pick). Built for 1–4 Players via Online Co-op (All Players Must Own).
Structured around ~1–2 hrs (Mission / Run-Based) sessions with mid-mission drop-in supported for latecomers, 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.
Tight 35-minute missions packed with clutch revives and class teamwork.