
As of
30-day average
42 players20 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 21 Oct 2026 | |
| Player counts | Every day (cool tier) | 21 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.
Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

Price now
$4.99Usual price
Lowest we've seen
$4.9922 Oct 2026
Sales we've seen
None yetNone since 21 Oct 2026
US Steam store prices, saved each time our store check sees a change. Our records start on 21 Oct 2026, so earlier sales are not listed. A sale is dated from the first check that saw it (usually within an hour of Steam changing the price) to the end date Steam gave. How we count
| Hour | Peak | Average | Polls |
|---|---|---|---|
| 9 Nov, 12:00 UTC | 49 | 49 | 1 |
| 8 Nov, 12:00 UTC | 52 | 52 | 1 |
| 7 Nov, 12:00 UTC | 36 | 36 | 1 |
| 6 Nov, 12:00 UTC | 33 | 33 | 1 |
| 5 Nov, 12:00 UTC | 39 | 39 | 1 |
| 4 Nov, 12:00 UTC | 40 | 40 | 1 |
| 3 Nov, 12:00 UTC | 37 | 37 | 1 |