How many people are playing YOU DON'T KNOW JACK right now?

YOU DON'T KNOW JACK has 0 players on Steam right now, with a 24-hour peak of 1 and an all-time peak of 1 on 7 Sep 2026.

What is the all-time peak player count of YOU DON'T KNOW JACK?

1 concurrent players on 7 Sep 2026.

When was YOU DON'T KNOW JACK released on Steam?

YOU DON'T KNOW JACK was released on Steam on 8 Feb 2011.

Status

SteamPeaks

YOU DON'T KNOW JACK

GameApp ID 99,200by JellyvisionReleased 8 Feb 2011

—Engine —

View on SteamSteamCompare

App ID99,200

Release date8 Feb 2011

Engine—

Install size4.44 GB

TypeGame

Last update6 Sep 2026

Steam Deck—

DLC0

DeveloperJellyvision

Changenumber38,652,909

Price—

Packages0

PublisherNordic Games

Systems—

Followers—

Depots1

Compare this game

YOU DON'T KNOW JACK

Jellyvision·Nordic Games
Released 8 Feb 2011·App 99200

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

0.0%of peak

All-time peak

7 Sep 2026

Update cadence · public branch

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PICS live

1 day

Since last public build

6 Sep 2026, 23:23 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 1 unannounced

—

Downloaded in 30 days

Not quiet · on schedule

All 1 builds since 2026 · UTC

When Jellyvision ships

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0369121518

YOU DON'T KNOW JACK Patches · SteamPeaks

YOU DON'T KNOW JACK

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
6 Sep 2026	Sun	23:23	No patch notes · unannounced build	25525	public	1	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

YOU DON'T KNOW JACK

When Jellyvision ships

YOU DON'T KNOW JACK

When Jellyvision ships

Patch notes

Builds