
As of
30-day average
7 players10 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 21 Oct 2026 | |
| Player counts | Every day (cool tier) | 21 Oct 2026 | |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
| Poll | Players |
|---|---|
| 05:46 UTC | 10 |
| 29 Oct, 05:44 UTC | 10 |
Three limbs ripped off, infected with a deadly parasite, you must save your research. Drag yourself through the corridors of a secret research lab on a remote asteroid, fight off horribly mutated monsters, inject countless syringes of vaccines, and survive at all costs.

Price now
$4.99−50% on sale, ends 2 Nov 2026
Lowest we've seen
$4.99−50%, 27 Oct 2026
Sales we've seen
1Deepest −50%, $4.99
| From | Price | Usual | Off |
|---|---|---|---|
| 27 Oct 2026 | $4.99 | $9.99 | −50% |
| 22 Oct 2026 | $9.99 | $9.99 | — |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 27 Oct 2026On now, ends 2 Nov | 4 days | −50% | $4.99 | $9.99 |
−50% sale on now: So far players have averaged 83% more than the week before.
| Sale | Off | During | Change |
|---|---|---|---|
| From 27 Oct 2026On now | −50% | 10+83% | On now |
Average players from our own counts over the 7 days before each sale, while it ran, and the 7 days after, kept clear of the sales either side. Steam’s big seasonal sales lift the whole store, so not every rise is this discount alone. How we count