Citadel Zero
Released Jul 2026
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.
71% positive · 21 reviews
Pending
Released · Awaiting evaluation
Pending
Released · Awaiting evaluation
Where to get it
Free on Steam
Media
Details
Developer
Publisher
PYRHAMID
Achievements
50
Platform
Windows, macOS, Linux
Controller
—
Steam Deck
Not rated
Players
Single-player · Multiplayer · PvP
About this game
DEFEND THE LAST CITADEL
The last human citadel stands alone on a dying alien world, watched from the ruins by mutated sentinels. You command its defense. Summon an arsenal of bio-engineered towers, forge a custom loadout, and hold the line across three distinct game modes.
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