Heroes of Underhollow — Steam game overview

Stored observation / content update:
Descend into Underhollow, a turn-based tactical roguelike where the battlefield is your weapon. Ignite oil, electrify water, and shove enemies into hazards. Choose from three heroes, shape your build, and chart a dangerous route through four dungeon floors.
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 |
|---|---|
| Steam App ID | 5480070 |
| Developer | Serum 66 |
| Publisher | Serum 66 |
| Concurrent players | 0 |
| Total reviews | Not available |
| Positive reviews | Not available |
| Release date | Nov 4, 2026 |
| Price | 2.39 USD |
| Estimated gross revenue (low / central / high) | USD 0 / 0 / 0 |