GAME VS GAME
Kerbal Space Program is more popular right now with 2,441 players on Steam, 50 times as many players as Nuclear Design Bureau (49). It also leads over the last 30 days, with 2,659 players on average against 103 for Nuclear Design Bureau. The highest all-time peak belongs to Kerbal Space Program (23,482 players).
Concurrent players on Steam. Drag or pinch to zoom; the table below has every number.
| Stat |  Kerbal Space Program |  Nuclear Design Bureau |
|---|---|---|
| Players right now | 2,441 | 49 |
| 24-hour peak | 3,413 | 86 |
| All-time peak | 23,482Apr 19, 2026 | 565Sep 19, 2026 |
| 30-day average players | 2,659 | 103 |
| Steam reviews | 95.6% positive148k reviews | 77.5% positive431 reviews |
| Price now (US) | $39.99 | $9.99 |
| Lowest price we have seen | $3.99 Dec 20, 2025 | $9.99 Oct 13, 2026 |
| Twitch viewers now | 1629 on average, 7 days | n/a |
| Release date | Mar 1, 2013 | Sep 14, 2026 |
Green marks the leader in each row (for prices, the cheaper game). Prices are US Steam prices.
Kerbal Space ProgramNuclear Design BureauPick 2 to 4 games. Only games with a player count page can be compared.
Kerbal Space Program is more popular right now with 2,441 players on Steam, 50 times as many players as Nuclear Design Bureau (49). It also leads over the last 30 days, with 2,659 players on average against 103 for Nuclear Design Bureau. The highest all-time peak belongs to Kerbal Space Program (23,482 players).
Kerbal Space Program peaked at 23,482 concurrent players on April 19, 2026. Nuclear Design Bureau peaked at 565 concurrent players on September 19, 2026.
Kerbal Space Program costs $39.99 on the US Steam store, and the lowest price we have seen is $3.99. Nuclear Design Bureau costs $9.99 on the US Steam store.
Player counts updated 37 seconds ago.
RageQuit Charts is not affiliated with Valve Corporation. Steam and the Steam logo are trademarks of Valve Corporation. Player counts come from the official Steam Web API.
