Head to head
Once Human vs The Promethium Effect
Side by side
Values shared by both games are highlighted.
Status
Released
Daily players
Estimated players
Available on
- Windows
- Android
- iOS
- PlayStation
- Windows
- macOS
Player activity
Smoothed estimated players over time.
Once Human
| Month | Estimated players | Change |
|---|---|---|
| October 2026 | ~315.3k | Up 0.7% |
| September 2026 | ~313.1k | Up 6.3% |
| August 2026 | ~294.7k | Up 0.7% |
| July 2026 | ~292.5k | — |
The Promethium Effect
| Month | Estimated players | Change |
|---|---|---|
| October 2026 | ~1 | |
| September 2026 | ~1 | |
| August 2026 | ~1 | |
| July 2026 | ~1 | — |
Community breakdown
Steam, Discord, Reddit, Twitch, and YouTube activity for both games, side by side.
Steam concurrent players
- Once Human
- 19.1kDown 44%
- The Promethium Effect
- —
Once Human currently has 19,054 peak concurrent Steam players; no comparable data is tracked for The Promethium Effect.
Discord members
- Once Human
- 830kUp 2.9%
- The Promethium Effect
- —
Once Human currently has 830,019 Discord members; no comparable data is tracked for The Promethium Effect.
Reddit members
- Once Human
- 131.1kUp 17%
- The Promethium Effect
- —
Once Human currently has 131,052 subreddit members; no comparable data is tracked for The Promethium Effect.
Twitch viewers
- Once Human
- 5.5kDown 11%
- The Promethium Effect
- —
Once Human currently has 5,485 live Twitch viewers; no comparable data is tracked for The Promethium Effect.
YouTube subscribers
- Once Human
- 337kUp 1.8%
- The Promethium Effect
- —
Once Human currently has 337,000 YouTube subscribers; no comparable data is tracked for The Promethium Effect.
How these estimates are made
Once Human
Once Human is estimated to have 48k – 170k players a day. Around 2m – 6m accounts have played it in total. The range is anchored on Steam’s official concurrent-player and review counts, then converted to daily actives and accounts — so it covers the Steam player base and will under-count a game played mostly through its own launcher or on console.
The Promethium Effect
The Promethium Effect is showing no measurable concurrent players on Steam. Around 700 – 2k accounts have played it in total. The range is anchored on Steam’s official concurrent-player and review counts, then converted to daily actives and accounts — so it covers the Steam player base and will under-count a game played mostly through its own launcher or on console.