Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
Umamusume: Pretty Derby is currently the more played game: 7,236 concurrent players on Steam right now vs 4,401 for Kerbal Space Program — about 1.6× more players. Kerbal Space Program counters with better Steam reviews: 96% positive vs 94%. Across all tracked metrics, Umamusume: Pretty Derby leads 5 of 8.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since May 2026 · Steam polled every 10 minutes · methodology
| Metric | Kerbal Space Program | Umamusume: Pretty Derby |
|---|---|---|
| Players right now | 4,401 | 7,236 |
| 24-hour peak | 5,380 | 10,140 |
| 7-day average | 4,115 | 7,554 |
| 30-day average | 4,115 | 7,715 |
| 30-day trend | — | +22% |
| Peak (tracked) | 5,380 | 18,864 |
| Steam reviews | 96% positive | 94% positive |
| Recent reviews (3 mo) | 98% positive | 94% positive |
| Total reviews | 144,582 | 58,057 |
| Owners (SteamSpy est.) | ~2,000,000 | — |
| Release date | Apr 27, 2015 | Jun 23, 2025 |
| Price | $39.99 | — |
Full stats: Kerbal Space Program · Umamusume: Pretty Derby · add more games to this comparison →
| Month | Kerbal Space Program | Umamusume: Pretty Derby | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| May 2026 | — | — | 6,717 | 11,038 |
| Jun 2026 | — | — | 6,269 | 10,215 |
| Jul 2026 (so far) | 4,141 | 5,380 | 8,511 | 18,864 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Umamusume: Pretty Derby currently has more players: 7,236 concurrent players on Steam vs 4,401 for Kerbal Space Program — about 1.6× more players.
Over the last 30 days Kerbal Space Program averaged 4,115 concurrent players and Umamusume: Pretty Derby averaged 7,715. By that measure Umamusume: Pretty Derby is currently the bigger game.
By Steam review score, Kerbal Space Program rates higher: 96% positive across 144,582 reviews vs 94% across 58,057 for Umamusume: Pretty Derby. Umamusume: Pretty Derby has the larger player base right now (7,236 vs 4,401 concurrent). Player counts, ratings, price and trend are compared side by side above.
Umamusume: Pretty Derby averaged 7,715 concurrent players over the last 30 days, up 22% vs the previous 30 days. Its highest tracked player count is 18,864.