US
USD

Citadel Zero

Achievements

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.

summary by MetaCritic
Release date:17 Jul 2026
Last update:24 Aug 2026 (on Steam, public branch)
Developers: PYRHAMID Studio
Publishers: PYRHAMID
Included in Steam Family Sharing
Has AI Content Disclosure
Players
  • Current 0
  • Peak 7
Last two weeks Tracked from Steam