Grumpy Jack

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A bullethell adventure awaits! Join Jack, a reluctant hero, as he battles bizarre enemies, uncovers secrets, meets quirky characters—and hunts down Death’s missing coffee mug.

Developer: VP Games
Released: 26 May 2026
Price: $6.99
Platforms
Languages: English
Controller: Full

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Public builds

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No reading yet

Counted once we have watched for 90 days (since 21 Oct 2026)

Last 90 days · as of 24 Oct, 22:22 UTC

How this is measured

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.

We see a game's builds only from the day we started watching it. Before that we know just the build it was on, so counts over a window are shown only for games watched for the whole window.
A build is not necessarily a content update: developers also ship fixes, and some builds change only files players never see.

Source: Steam client network (PICS), App info, public branch. Full methodology

Latest public build

23 May, 18:33 UTC

Build 23379850

Typical gap between builds

Not enough builds yet

Public Builds

Public builds of Grumpy Jack, newest first
Build	Went live	After the one before	Patch notes
23379850	23 May, 18:33 UTC	—	None posted

From Steam’s client network, last checked 24 Oct, 22:22 UTC. Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s post tagged as patch notes from an hour before to a day after the build. Not every build gets one. How we count

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