Live Steam player count comparison, updated every 10 minutes. Both are Indie / RPG games.
SCP: Secret Laboratory is currently the more played game: 4,134 concurrent players on Steam right now vs 2,457 for Undertale — about 1.7× more players. Undertale counters with better Steam reviews: 96% positive vs 91%. SCP: Secret Laboratory is free to play, while Undertale costs $9.99. Across all tracked metrics, SCP: Secret Laboratory leads 5 of 8.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since April 2026 · Steam polled every 10 minutes · methodology
| Metric | SCP: Secret Laboratory | Undertale |
|---|---|---|
| Players right now | 4,134 | 2,457 |
| 24-hour peak | 7,302 | 3,875 |
| 7-day average | 4,434 | 2,722 |
| 30-day average | 4,401 | 2,526 |
| 30-day trend | — | +51% |
| Peak (tracked) | 7,302 | 3,957 |
| Steam reviews | 91% positive | 96% positive |
| Recent reviews (3 mo) | 89% positive | 96% positive |
| Total reviews | 232,159 | 330,258 |
| Owners (SteamSpy est.) | ~5,000,000 | ~5,000,000 |
| Release date | Dec 29, 2017 | Sep 14, 2015 |
| Price | Free to play | $9.99 |
Full stats: SCP: Secret Laboratory · Undertale · add more games to this comparison →
| Month | SCP: Secret Laboratory | Undertale | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | — | — | 1,028 | 1,458 |
| May 2026 | 3,899 | 3,899 | 951 | 1,373 |
| Jun 2026 | 2,162 | 3,137 | 1,947 | 3,530 |
| Jul 2026 (so far) | 4,290 | 7,302 | 2,785 | 3,957 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
SCP: Secret Laboratory currently has more players: 4,134 concurrent players on Steam vs 2,457 for Undertale — about 1.7× more players.
Over the last 30 days SCP: Secret Laboratory averaged 4,401 concurrent players and Undertale averaged 2,526. By that measure SCP: Secret Laboratory is currently the bigger game.
By Steam review score, Undertale rates higher: 96% positive across 330,258 reviews vs 91% across 232,159 for SCP: Secret Laboratory. SCP: Secret Laboratory has the larger player base right now (4,134 vs 2,457 concurrent). Player counts, ratings, price and trend are compared side by side above.
Undertale averaged 2,526 concurrent players over the last 30 days, up 51% vs the previous 30 days. Its highest tracked player count is 3,957.