
As of
30-day average
1 players12 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 12 hours (warm tier) | 20 Oct 2026 | |
| Player counts | Every 4 hours (warm tier) | 20 Oct 2026 | |
| Store details | Every 3 hours, and when Steam reports a change (warm tier) | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
High-stakes, turn-based 4X space strategy distilled into intense matches of about an hour. Lead one of six premade factions, or design your own, against an AI that plays to win. Randomized techs, anomalies, maps and victory conditions make every match unique.

| DLC | Price |
|---|---|
| Astro Protocol - Digital Artbook | $2.99 |
Downloadable content listed for Astro Protocol, with prices in your currency (US dollars where we have no local price yet), checked daily for busier games.
Price now
$13.99Usual price
Lowest we've seen
$13.9921 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
| Day (UTC) | Peak | Average | Polls |
|---|---|---|---|
| 31 Oct 2026 | 1 | 1 | 4 |
| 30 Oct 2026 | 3 | 1 | 6 |
| 29 Oct 2026 | 2 | 1 | 7 |
| 28 Oct 2026 | 2 | 1 | 6 |
| 27 Oct 2026 | 3 | 2 | 5 |
| 26 Oct 2026 | 3 | 2 | 4 |
| 25 Oct 2026 | 2 | 2 | 4 |
| 24 Oct 2026 | 4 | 2 | 4 |
| 23 Oct 2026 | 3 | 2 | 4 |
| 22 Oct 2026 | 4 | 2 | 4 |
| 21 Oct 2026 | 4 | 2 | 4 |