
As of
30-day average
15 players18 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 22 Oct 2026 | |
| Player counts | Every day (cool tier) | 22 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.
Two detectives, one deadly experiment, a race against time. Each player only has one half of the puzzle. In this 2-player co-op puzzle game you can survive the parallel experiment only by working together.

| Hour | Peak | Average | Polls |
|---|---|---|---|
| 8 Nov, 12:00 UTC | 42 | 42 | 1 |
| 7 Nov, 12:00 UTC | 39 | 39 | 1 |
| 6 Nov, 12:00 UTC | 18 | 18 | 1 |
| 5 Nov, 11:00 UTC | 11 | 11 | 1 |
| 4 Nov, 11:00 UTC | 10 | 10 | 1 |
| 3 Nov, 11:00 UTC | 6 | 6 | 1 |
| 2 Nov, 11:00 UTC | 11 | 11 | 1 |
| 1 Nov, 11:00 UTC | 19 | 19 | 1 |
| 31 Oct, 11:00 UTC | 16 | 16 | 1 |
| 30 Oct, 11:00 UTC | 10 | 10 | 1 |
| 29 Oct, 11:00 UTC | 10 | 10 | 1 |
| 28 Oct, 11:00 UTC | 11 | 11 | 1 |
| 27 Oct, 11:00 UTC | 8 | 8 | 1 |
| 26 Oct, 11:00 UTC | 9 | 9 | 1 |
| 25 Oct, 11:00 UTC | 16 | 16 | 1 |
| 24 Oct, 11:00 UTC | 27 | 27 | 1 |
| 23 Oct, 11:00 UTC | 5 | 5 | 1 |
| 22 Oct, 02:00 UTC | 9 | 9 | 1 |
Price now
$4.99−50% on sale, ends 9 Nov 2026
Lowest we've seen
$4.99−50%, 6 Nov 2026
Sales we've seen
1Deepest −50%, $4.99
| From | Price | Usual | Off |
|---|---|---|---|
| 6 Nov 2026 | $4.99 | $9.99 | −50% |
| 22 Oct 2026 | $9.99 | $9.99 | — |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 6 Nov 2026On now, ends 9 Nov | 3 days | −50% | $4.99 | $9.99 |
−50% sale on now: So far players have averaged 212% more than the week before.
| Sale | Off | During | Change |
|---|---|---|---|
| From 6 Nov 2026On now | −50% | 41+212% | 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