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マーダーミステリーパラドクス このひと夏の十五年 "Murder Mystery Paradox: Fifteen Years of Summer" is a text-based adventure game. Enter the remote and sparsely populated island of Shikinejima and attempt to solve the strangely recurring mystery found there.
Players on Steam, last 7 days| Hour | Peak | Average | Polls |
|---|---|---|---|
| 3 Nov, 15:00 UTC | 3 | 3 | 1 |
| 2 Nov, 15:00 UTC | 5 | 5 | 1 |
| 1 Nov, 15:00 UTC | 0 | 0 | 1 |
| 31 Oct, 15:00 UTC | 4 | 4 | 1 |
| 30 Oct, 15:00 UTC | 2 | 2 | 1 |
| 29 Oct, 15:00 UTC | 3 | 3 | 1 |
| 28 Oct, 14:00 UTC | 1 | 1 | 1 |
Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
Player Retention| Month | Avg players | Kept | Compared with other games |
|---|---|---|---|
| LaunchDecember 2023 | 27 | — | The busier of its first two months |
| 3 months onMarch 2024 | 9 | 34% | About average (better than 65% of 9,255 other games) |
| 12 months onDecember 2024 | 3 | 11% | Loses players fast (better than 30% of 7,792 other games) |
マーダーミステリーパラドクス このひと夏の十五年 kept 34% of the average players it had at its launch in December 2023 after 3 months and 11% after 12 months. Monthly averages, ranked against every game we can score. How we count
Players By Month| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| November 2026Nov 2026 (so far) | 3 | 0 | −5.9% | 5 |
| October 2026Oct 2026 (from 20 Oct) | 3 | — | — | 7 |
| August 2026Aug 2026 | 5 | — | — | 20 |
| June 2026Jun 2026 | 3 | — | — | 13 |
| January 2026Jan 2026 | 4 | 0 | +2.3% | 14 |
| December 2025Dec 2025 | 3 | — | — | 13 |
| October 2025Oct 2025 | 3 | 0 | −12.6% | 16 |
| September 2025Sept 2025 | 4 | −2 | −37.5% | 16 |
| August 2025Aug 2025 | 6 | −4 | −39.9% | 22 |
| July 2025Jul 2025 | 10 | +5 | +127.9% | 37 |
| June 2025Jun 2025 | 4 | +1 | +26.1% | 19 |
| May 2025May 2025 | 3 | −1 | −30.8% | 14 |
| April 2025Apr 2025 | 5 | 0 | −1.2% | 18 |
| March 2025Mar 2025 | 5 | +2 | +74.4% | 16 |
| February 2025Feb 2025 | 3 | −2 | −44.8% | 10 |
| January 2025Jan 2025 | 5 | +2 | +65.7% | 15 |
| December 2024Dec 2024 | 3 | +1 | +24.7% | 13 |
| November 2024Nov 2024 | 2 | −1 | −30.6% | 11 |
| October 2024Oct 2024 | 4 | −3 | −46.5% | 18 |
| September 2024Sept 2024 | 7 | +1 | +26% | 28 |
| August 2024Aug 2024 | 5 | −4 | −41.3% | 17 |
| July 2024Jul 2024 | 9 | −1 | −9.4% | 29 |
| June 2024Jun 2024 | 10 | +3 | +49.5% | 37 |
| May 2024May 2024 | 7 | −5 | −45% | 30 |
| April 2024Apr 2024 | 12 | +3 | +26.5% | 47 |
| March 2024Mar 2024 | 9 | +1 | +16.1% | 38 |
| February 2024Feb 2024 | 8 | −2 | −17.5% | 40 |
| January 2024Jan 2024 | 10 | −17 | −64.1% | 31 |
| December 2023Dec 2023 | 27 | — | — | 201 |
Average and peak concurrent players each month, and the change in average players from the month before. Months before October 2026 are from a licensed historical archive.
