Head to head
Kalpa of Sword vs Once Human
Side by side
Values shared by both games are highlighted.
Status
Released
Daily players
Estimated players
Available on
- Windows
- Windows
- Android
- iOS
- PlayStation
Player activity
Smoothed estimated players over time.
Kalpa of Sword
| Month | Estimated players | Change |
|---|---|---|
| September 2026 | ~727 | Up 0.1% |
| August 2026 | ~726 | Up 21% |
| July 2026 | ~601 | — |
Once Human
| Month | Estimated players | Change |
|---|---|---|
| September 2026 | ~311.8k | Up 5.8% |
| August 2026 | ~294.7k | Up 0.7% |
| July 2026 | ~292.5k | — |
Community breakdown
Steam, Discord, Reddit, Twitch, and YouTube activity for both games, side by side.
Steam concurrent players
- Kalpa of Sword
- 92Up 7.0%
- Once Human
- 24.3kUp 48%
Once Human currently has about 264× as many peak concurrent Steam players as Kalpa of Sword — 24,317 vs 92.
Discord members
- Kalpa of Sword
- 65
- Once Human
- 798.1kUp 2.8%
Once Human currently has about 12279× as many Discord members as Kalpa of Sword — 798,114 vs 65.
YouTube subscribers
- Kalpa of Sword
- 13
- Once Human
- 331kUp 1.8%
Once Human currently has about 25462× as many YouTube subscribers as Kalpa of Sword — 331,000 vs 13.
Reddit members
- Kalpa of Sword
- —
- Once Human
- 111.5kUp 8.1%
Once Human currently has 111,502 subreddit members; no comparable data is tracked for Kalpa of Sword.
Twitch viewers
- Kalpa of Sword
- —
- Once Human
- 5.3kUp 19%
Once Human currently has 5,333 live Twitch viewers; no comparable data is tracked for Kalpa of Sword.
How these estimates are made
Kalpa of Sword
Kalpa of Sword is estimated to have 200 – 710 players a day. Around 140k – 360k 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.
Once Human
Once Human is estimated to have 71k – 250k 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.


