Taking a competitive page from Words With Friends and Candy Crush Saga, Trivia Crack puts a winning formula on a new type of game.

Trivia Crack is now the 149th most popular iPhone app, according to data from App Annie. The quiz app market is crowded these days, partially because of the success of the original Trivia Crack.

For the past two months, Trivia Crack has dominated the App Store, rising to the No. 1 spot and staying there for 60 consecutive days. It's shattered the previous 38-day record held by the 2012 ...