Season 0 · Patch 0.2.5 🐧🍎 CITADEL ZERO RUNS ON LINUX, STEAMOS AND MACOS Native builds for Linux / SteamOS and macOS (Apple Silicon and Intel) are live. Same game, same save, same servers. Your progress follows you — the account lives on our servers, so you c
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Citadel Zero is a strategy video game developed by PYRHAMID Studio, released on 17 July 2026 on PC.
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Defend the last citadel on a dying alien world. Summon a gacha collection of bio-engineered defense towers, forge a custom loadout, and conquer three modes, story-driven Chronicle, roguelite Contracts, and 1v1 PvP Ascension. Tower defense…
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