ASTRO ACE is a retro-style addictive arcade space shooter. From the distant universe, an evil alien fleet is invading the solar system. You will have to ride a powerful spaceship and fight against endless waves of enemies.

Public builds
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Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 8406260
Update posts
0 postsPosts announcing an update, tagged or not
Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 8406260 | Hotfix patch 1.1.2.11 |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| Posted | Update |
|---|---|
| 20 Mar 2022 | Hotfix patch 1.1.2.11 Patch notes |
| 17 Mar 2022 | Update 1.1.2 Released! Patch notes |
| 8 Nov 2021 | Hotfix patch 1.1.1.8 Patch notes |
| 5 Nov 2021 | Update 1.1.1 Released! Update |
| 31 Oct 2021 | Update 1.1.0.3 Released! Patch notes |
| 13 Oct 2021 |
| ASTRO ACE Halloween Update! Update |
| 22 Sept 2021 | Update 1.0.1 Released! Update |
| 13 Sept 2021 | Update v 1.0.0 Released. Patch notes |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count