STEAM CATALOGUE

Citadel Zero

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 meets deck-building meta-progression.

Store genres

Free To Play · Indie · Strategy

Platforms

Windows · Linux · macOS

View on Steam

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