
As of
30-day average
1 players17 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 20 Oct 2026 | |
| Player counts | Every day (cool tier) | 19 Oct 2026 | |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
Price now
$15.99−20% on sale, ends 6 Nov 2026
Lowest we've seen
$15.99−20%, 31 Oct 2026
Sales we've seen
1Deepest −20%, $15.99
| From | Price | Usual | Off |
|---|---|---|---|
| 31 Oct 2026 | $15.99 | $19.99 | −20% |
| 25 Oct 2026 | $19.99 | $19.99 | — |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 31 Oct 2026On now, ends 6 Nov | 6 days | −20% | $15.99 | $19.99 |
−20% sale on now: So far players have averaged 78% fewer than the week before.
| Sale | Off | During | Change |
|---|---|---|---|
| From 31 Oct 2026On now | −20% | 0−78% | On now |
Average players from our own counts over the 7 days before each sale, while it ran, and the 7 days after, kept clear of the sales either side. Steam’s big seasonal sales lift the whole store, so not every rise is this discount alone. How we count
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

| DLC | Price |
|---|---|
| Rocket Science: Edition Upgrade | $9.99 |
Downloadable content listed for Rocket Science, with prices in your currency (US dollars where we have no local price yet), checked daily for busier games.
| Day (UTC) | Peak | Average | Polls |
|---|---|---|---|
| 5 Nov 2026 | 0 | 0 | 1 |
| 4 Nov 2026 | 0 | 0 | 1 |
| 3 Nov 2026 | 1 | 1 | 1 |
| 2 Nov 2026 | 0 | 0 | 1 |
| 1 Nov 2026 | 0 | 0 | 1 |
| 31 Oct 2026 | 0 | 0 | 1 |
| 30 Oct 2026 | 1 | 1 | 1 |
| 29 Oct 2026 | 2 | 2 | 1 |
| 28 Oct 2026 | 2 | 2 | 1 |
| 27 Oct 2026 | 0 | 0 | 1 |
| 26 Oct 2026 | 1 | 1 | 2 |
| 25 Oct 2026 | 0 | 0 | 1 |
| 24 Oct 2026 | 0 | 0 | 1 |
| 22 Oct 2026 | 2 | 2 | 1 |
| 21 Oct 2026 | 1 | 1 | 1 |
| 20 Oct 2026 | 1 | 1 | 1 |
| 19 Oct 2026 | 1 | 1 | 1 |