Plot: 10000000 is a hybrid puzzle-role-playing game developed by Luca Redwood under the company name EightyEightGames, released initially for iOS devices in August 2012, and later for Microsoft Windows and OS X computers via Steam in January 2013, and to Android and Linux systems in March 2013. Wikipedia
Plot: QuizUp is a discontinued mobile game originally developed and published by Iceland-based Plain Vanilla Games, and later operated by Glu Mobile. The game was a mobile trivia app similar to the game Trivial Pursuit. Wikipedia
Plot: HQ is a trivia video game developed by Intermedia Labs for iOS, Android, iPadOS, and tvOS. First released in 2017, the HQ app allows users to play in daily live trivia games, through which they can win or split prize money. Wikipedia