06193606 is referenced by 278 patents and cites 23 patents.

An electronic gaming system is disclosed that allows a player to play a game of knowledge, such as a trivia game, while playing a slot machine. The player can preferably use successful trivia game results to access higher reward levels with the slot machine, with each reward level having progressively higher payouts for a given winning combination or a higher probability of a winning result or both. The trivia questions are preferably stored in a question database after being obtained from a remote source, in order to ensure an adequate supply of accurate and sufficiently challenging trivia questions.

Title
Electronic gaming device offering a game of knowledge for enhanced payouts
Application Number
8/885157
Publication Number
6193606 (B1)
Application Date
June 30, 1997
Publication Date
February 27, 2001
Inventor
Thomas M Sparico
Riverside
CT, US
James A Jorasch
Stamford
CT, US
Jay S Walker
Ridgefield
CT, US
Agent
Dean Alderucci
US
Nandu A Talwalkar
US
Assignee
Walker Digital
CT, US
IPC
A63F 9/00
View Original Source