Mars Attracts is a park management sim set in the iconic universe of Mars Attacks™. Play as the devious Martians as you construct detailed enclosures, manage staff, and most importantly - abduct and experiment on humans for the entertainment of your Martian guests!

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 26462540
Update posts
11 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
13 daysMiddle gap across the last 3 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26462540 | Mars Attracts - Hotfix 7 | |
| 26136356 | None posted | |
| 25959183 | 1.2 - Small Fixes |
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 |
|---|---|
| 15 Oct 2026 | 1.2 - Small Fixes Patch notes |
| 5 Oct 2026 | Mars Attracts Hotfix 6 Patch notes |
| 25 Sept 2026 | 1.0 Small Fixes Patch notes |
| 9 Jul 2026 | Mars Attracts Hotfix 5 Patch notes |
| 25 Jun 2026 | The BIG Early Access Update 4 – Research, Humans, and Guests Overhaul Update |
| 31 Mar 2026 |
| Update Notes - March 31st Patch notes |
| 13 Mar 2026 | EA Update 3 – Missions/Character Overhaul & Paddy's Day Surprises Update |
| 16 Jan 2026 | Mars Attracts Hotfix 3 - Stability and Performance Update |
| 18 Dec 2025 | Early Access Update 2 - New Map, Habitat, & Winter Surprises! Update |
| 26 Sept 2025 | Mars Attracts Hotfix 1.1 Patch notes |
| 24 Sept 2025 | Mars Attracts Hotfix 1 Patch notes |
| 16 Sept 2025 | Updated Discord Supporter's Link 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