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 9 Sep 2026.

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

1 concurrent players on 9 Sep 2026.

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

GameApp ID 99,200by JellyvisionReleased 8 Feb 2011

—Engine —

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

YOU DON'T KNOW JACK

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Playing now

+0 vs. yesterday

0.0%of peak

All-time peak

9 Sep 2026

Steam Cloud

No cloud configuration

This app has no Steam Cloud configuration.

YOU DON'T KNOW JACK Cloud Saves · SteamPeaks