Live Steam player count comparison, updated every 10 minutes. Both are Indie games.
Prison Architect is currently the more played game: 1,381 concurrent players on Steam right now vs 1,035 for Starbound — about 33% more players. Prison Architect is currently 75% off on Steam. Across all tracked metrics, Prison Architect leads 7 of 9.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since June 2026 · Steam polled every 10 minutes · methodology
| Metric | Prison Architect | Starbound |
|---|---|---|
| Players right now | 1,381 | 1,035 |
| 24-hour peak | 1,450 | 1,110 |
| 7-day average | 1,073 | 856 |
| 30-day average | 1,070 | 856 |
| 30-day trend | — | — |
| Peak (tracked) | 1,450 | 1,110 |
| Steam reviews | 89% positive | 90% positive |
| Recent reviews (3 mo) | 85% positive | 82% positive |
| Total reviews | 73,561 | 123,079 |
| Owners (SteamSpy est.) | ~5,000,000 | ~2,000,000 |
| Release date | Oct 6, 2015 | Jul 22, 2016 |
| Price | $7.49 (−75%) | $4.49 (−70%) |
Full stats: Prison Architect · Starbound · add more games to this comparison →
| Month | Prison Architect | Starbound | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Jun 2026 | 708 | 726 | — | — |
| Jul 2026 (so far) | 1,072 | 1,450 | 863 | 1,110 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Prison Architect currently has more players: 1,381 concurrent players on Steam vs 1,035 for Starbound — about 33% more players.
Over the last 30 days Prison Architect averaged 1,070 concurrent players and Starbound averaged 856. By that measure Prison Architect is currently the bigger game.
By Steam review score, Starbound rates higher: 90% positive across 123,079 reviews vs 89% across 73,561 for Prison Architect. Prison Architect has the larger player base right now (1,381 vs 1,035 concurrent). Player counts, ratings, price and trend are compared side by side above.