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 10 Sep 2026.

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

1 concurrent players on 10 Sep 2026.

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

Every achievement on record

33 achievements

It's Just More of This
Finish an episode
—
Taking It from Behind
Come from behind to win during the Jack Attack in a 2-player game
—
Perfect Attendance
Play Episodes 1-73
—
Slack Attack
Get -$1 million on a Jack Attack