A skilled hacker has unleashed a powerful trojan. What will happen to the computers it infects? Help Vundo navigate through Malware City, a 2D platformer inspired by the dawn of personal computers. Infect as many systems as you can and become the most feared trojan to ever exist.

Public builds
—No reading yet
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 26335875
Update posts
9 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
48 hoursMiddle gap across the last 4 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26335875 | None posted | |
| 26307558 | None posted | |
| 26253690 | Interactable Update | |
| 23917805 | Museum Update: Relive the Destruction |
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 |
|---|---|
| 25 Jun 2026 | Museum Update: Relive the Destruction Update |
| 8 Jun 2026 | Vundo Is Not a Dancer Patch notes |
| 16 May 2026 | Malware City Visual Update.exe Patch notes |
| 14 May 2026 | The Trojan learned a new Drag & Drop technology Patch notes |
| 13 May 2026 | The Trojan has been busy again Patch notes |
| 11 May 2026 |
| The Computer Fights Back (But the Trojan Learned New Tricks) Patch notes |
| 10 May 2026 | Lazy Trojan Patch notes |
| 8 May 2026 | Late Night Update 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