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Poly Kingdom: Siege

Early access
Achievements

Dive into "Poly Kingdom: Siege", a captivating open-world RTS game where strategy meets life simulation! As a king in a vibrant, dynamic realm, navigate through war, politics, and community building.

Start by raising a humble castle into a bustling town, where each worker you hire breathes life into your growing kingdom. Engage in thrilling resource management, constructing a thriving economy to fund your inevitable war against a rival king. With three strategic paths through dense forests, murky swamps, and challenging factions, plan your offense and defense meticulously.

With a unique technology progression system, watch your kingdom transform from a native settlement to a formidable medieval powerhouse, offering gameplay styles appealing to enthusiasts of various eras. Guard your castle, plan your attack, and immerse yourself in a game where every decision counts, and your kingdom's fate lies squarely in your hands.

summary by MetaCritic
Release date:15 Jul 2026
Last update:10 Sep 2026 (on Steam, public branch)
Developers: Mason Brignac
Publishers: Mason Brignac
Included in Steam Family Sharing
Players
  • Current 0
  • Peak 2
Last two weeks Tracked from Steam