66%Strong matchCaptain of Industry
88%6k88% positive reviews, Very Positive across 6k reviews·Automation · Resource Management
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Build your dream city on a vast island in Isoforge! Unlock new buildings every in-game day, each influencing others in unique ways. Recruit soldiers to defend against invasions, manage upgrades, and tackle dynamic events like unlocks and challenges. Can you create the ultimate city?
Isoforge
SteamExplore a vast island, design your perfect city, and defend it against relentless invasions! Isoforge combines strategic city-building with dynamic events, giving you endless possibilities to shape your world. Are you ready to build, defend, and thrive?
Start with only a rocket and expand into a sprawling city. Choose from a wide variety of buildings, each offering unique effects that influence others positively or negatively. Unlock new structures, upgrades and events influencing your city in new ways.
In Isoforge, threats are never far away. Recruit soldiers, unlock new units, and prepare for invasions. Strategize your defenses to protect your city while balancing resources and expansion.
Each in-game day brings new surprises! From invasions and upgrades to building unlocks and unexpected challenges, every moment keeps you on your toes. Can you adapt to the ever-changing world of Isoforge?
Buildings don’t exist in isolation. Every structure in Isoforge interacts with others, either enhancing their effectiveness or creating obstacles. Master this system to optimize your city and overcome challenges.
Choose from different gamemodes, challenging you in new ways or giving you an even more relaxing experience.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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