GAME VS GAME
Kerbal Space Program is more popular right now with 3,175 players on Steam, 21 times as many players as Spaceflight Simulator (149). It also leads over the last 30 days, with 2,652 players on average against 118 for Spaceflight Simulator. 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 |  Spaceflight Simulator |
|---|---|---|
| Players right now | 3,175 | 149 |
| 24-hour peak | 3,175 | 163 |
| All-time peak | 23,482Apr 19, 2026 | 1,621Apr 1, 2026 |
| 30-day average players | 2,652 | 118 |
| Steam reviews | 95.6% positive148k reviews | 96.3% positive6,318 reviews |
| Price now (US) | $39.99 | $14.99 |
| Lowest price we have seen | $3.99 Dec 20, 2025 | $14.99 Oct 13, 2026 |
| Twitch viewers now | 23429 on average, 7 days | n/a |
| Release date | Mar 1, 2013 | Feb 17, 2022 |
Green marks the leader in each row (for prices, the cheaper game). Prices are US Steam prices.
Kerbal Space ProgramSpaceflight SimulatorPick 2 to 4 games. Only games with a player count page can be compared.
Kerbal Space Program is more popular right now with 3,175 players on Steam, 21 times as many players as Spaceflight Simulator (149). It also leads over the last 30 days, with 2,652 players on average against 118 for Spaceflight Simulator. 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. Spaceflight Simulator peaked at 1,621 concurrent players on April 1, 2026.
Kerbal Space Program costs $39.99 on the US Steam store, and the lowest price we have seen is $3.99. Spaceflight Simulator costs $14.99 on the US Steam store.
Player counts updated 54 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.
