DEFCON
Playing now
17+1 vs. yesterday
4.7%of peak
All-time peak
358Dec 2012
Steam charts
Playing now
17+1
24-hour peak
18
All-time peak
358Dec 2012
30-day average
8
Rank right now
#3,964
Playing now
17+1 vs. yesterday
All-time peak
358Dec 2012
| Month | Average | Gain | % Gain | Peak |
|---|---|---|---|---|
| Sept 2026 | 8 | +0 | −1.8% | 18 |
| Aug 2026 | 8 | +1 | +10.7% | 19 |
| Jul 2026 | 7 | −1 | −10.8% | 18 |
| Jun 2026 | 8 | −1 | −14.1% | 20 |
| May 2026 | 9 | +0 | −3.0% | 24 |
| Apr 2026 | 9 | −4 | −31.4% | 28 |
| Mar 2026 | 13 | +3 | +35.6% | 30 |
| Feb 2026 | 10 | −1 | −8.4% | 25 |
| Jan 2026 | 11 | +0 | +2.4% | 28 |
| Dec 2025 | 11 | +0 | +4.2% | 29 |
| Nov 2025 | 11 | +0 | +2.3% | 28 |
| Oct 2025 | 11 | — | — | 32 |
| Milestone | DEFCON | Genre median |
|---|---|---|
| Launch peak | — | — |
| Hour 1 | — | — |
| Hour 24 | — | — |
| Hour 72 | — | — |
| Day 7 | — | — |
| Now | 17 | — |
| Daily peak · last 14 days | Peak | |
|---|---|---|
| Sun 6 Sept · weekend | 16 | |
| Mon 7 Sept | 18 |
Every figure here is derived, shown as a range, and links to its method. Steam does not publish owner counts.
| Source | Estimated owners | Method | Confidence |
|---|---|---|---|
| SteamPeaks | Fewer than 50 reviews: not estimated | Reviews × k, calibrated on announced figures · How it works | — |