
As of
30-day average
15 players22 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.

| Month | Peak | Average | Polls |
|---|---|---|---|
| November 2026 | 42 | 18 | 12 |
| October 2026 | 27 | 12 | 10 |
| September 2026 | 86 | 28 | Archive |
| August 2026 | 93 | 31 | Archive |
| July 2026 | 86 | 34 | Archive |
| June 2026 | 92 | 30 | Archive |
| May 2026 | 119 | 26 | Archive |
| April 2026 | 114 | 28 | Archive |
| March 2026 | 151 | 49 | Archive |
| February 2026 | 94 | 27 | Archive |
| January 2026 | 207 | 49 | Archive |
| December 2025 | 95 | 25 | Archive |
| November 2025 | 87 | 21 | Archive |
| October 2025 | 114 | 30 | Archive |
| September 2025 | 105 | 33 | Archive |
| August 2025 | 137 | 36 | Archive |
| July 2025 | 127 | 44 | Archive |
| June 2025 | 383 | 100 | Archive |
Price now
$4.99−50% on sale
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 |
|---|---|---|---|---|
| 6 Nov – 9 Nov 2026 | 3 days | −50% | $4.99 | $9.99 |
−50% sale, 6 Nov – 9 Nov 2026: Players averaged 136% more than the week before. Since it ended, players averaged 15% more than the week before.
| Sale | Off | During | Change |
|---|---|---|---|
| 6 Nov – 9 Nov 2026 | −50% | 31+136% | +15% |
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