At a glance
You Don't Know Jack: 5th Dementia is a quiz/trivia video game developed by Jellyvision, released on 31 December 2000 on PC.
About
Jack is back. And this time he has the internet with him. For the first time in the long running series, you can play with your mates over the internet. There are 600 questions that must be answered and a new game type called Bug out…
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