You are an evil lord with a hero problem and not nearly enough floor space. Draft buildings, pack them into your cramped lair, toil to earn money to expand, create powerful monster synergies, and send your chaotic army of minions to repel wave after wave of heroic do-gooder pests.

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 25906592
Update posts
6 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 |
|---|---|---|
| 25906592 | None posted |
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 |
|---|---|
| 9 Oct 2026 | Two Weeks in: Patch #3 is Now Out! Patch notes |
| 2 Oct 2026 | One Week In: Thank You, and This Week's Fixes! Patch notes |
| 23 Sept 2026 | Thank You + Patch #1 is Live! Patch notes |
| 21 Sept 2026 | Packed Lair Launches Tomorrow - Plus Another Demo Update! Update |
| 26 Aug 2026 | Packed Lair Launches September 22nd + Major Demo Update Available Now! Update |
| 18 Jun 2026 |
| Packed Lair Demo update #1 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