In the cute cardboard world, something went horribly wrong... Use the magical pencil, a good old shotgun, and various other weapons as well as the strength of your mighty boots, to uncover the dark truth and find out WHY WOULD CARDBOARD... BLEED?

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 26265592
Update posts
3 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
15 hoursMiddle gap across the last 6 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26265592 | UPDATE №1: Akimbo, Wave Survival and Nightmare 1! | |
| 26138042 | PAPERHEAD — Patch v50 Is Live! | |
| 26131528 | None posted | |
| 26116753 | None posted | |
| 26113207 | None posted | |
| 25930215 | 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 |
|---|---|
| 15 Oct 2026 | PAPERHEAD UPDATES PATCH NOTES (v48–v49.5) Update |
| 23 Dec 2023 | DEMO IS AVAILABLE ON STEAM! Update |
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