Live Steam player count comparison, updated every 10 minutes. Both are RPG games.
Undertale is currently the more played game: 3,247 concurrent players on Steam right now vs 557 for New World: Aeternum — about 6× more players. Undertale also has the better Steam reviews: 96% positive vs 67%. Across all tracked metrics, Undertale leads 9 of 10.
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
Undertale has had the higher daily player count for the last 38 days — every day since Coilr began tracking both games.
Days tracked
38
Current streak
38 days
Undertale
Lead changes
0
Closest gap
25%
May 28, 2026
How this works: each game's daily average concurrent players (from Coilr's 10-minute Steam polls), compared on the 38 days where both games have data — whichever averages higher leads that day. methodology
| Metric | New World: Aeternum | Undertale |
|---|---|---|
| Players right now | 557 | 3,247 |
| 24-hour peak | 584 | 3,456 |
| 7-day average | 499 | 2,809 |
| 30-day average | 509 | 2,405 |
| 30-day trend | −10% | +51% |
| Peak (tracked) | 911 | 3,957 |
| Steam reviews | 67% positive | 96% positive |
| Recent reviews (3 mo) | 32% positive | 96% positive |
| Total reviews | 296,732 | 330,258 |
| Owners (SteamSpy est.) | ~50,000,000 | ~5,000,000 |
| Release date | Sep 27, 2021 | Sep 14, 2015 |
| Price | — | $9.99 |
Full stats: New World: Aeternum · Undertale · add more games to this comparison →
| Month | New World: Aeternum | Undertale | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | — | — | 1,028 | 1,458 |
| May 2026 | 618 | 687 | 951 | 1,373 |
| Jun 2026 | 538 | 911 | 1,945 | 3,530 |
| Jul 2026 (so far) | 506 | 786 | 2,788 | 3,957 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Undertale currently has more players: 3,247 concurrent players on Steam vs 557 for New World: Aeternum — about 6× more players.
Over the last 30 days New World: Aeternum averaged 509 concurrent players and Undertale averaged 2,405. By that measure Undertale is currently the bigger game.
Not in Coilr's head-to-head tracking: Undertale has had the higher daily average concurrent player count on Steam on every one of the 38 days both games have been tracked.
By Steam review score, Undertale rates higher: 96% positive across 330,258 reviews vs 67% across 296,732 for New World: Aeternum. Undertale has the larger player base right now (3,247 vs 557 concurrent). Player counts, ratings, price and trend are compared side by side above.
New World: Aeternum averaged 509 concurrent players over the last 30 days, down 10% vs the previous 30 days. Its highest tracked player count is 911.
Undertale averaged 2,405 concurrent players over the last 30 days, up 51% vs the previous 30 days. Its highest tracked player count is 3,957.