Citadel Zero — Steam game overview
Stored observation / content update:
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.
Game metrics below are stored observations; missing values are unknown.
Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.
| Statistic | Recorded value |
|---|---|
| Concurrent players | 0 |
| Total reviews | Not available |
| Positive reviews | Not available |
| Release date | 2026-07-15T00:00:00.000Z |
| Price | Free |
| Estimated gross revenue (low / central / high) | USD 0 / 0 / 0 |