TriviaMaster is an open-source trivia bot for Discord. It's incredibly easy to use, and has over 160,000 questions from open-source trivia APIs. Comes with over 30 categories, 3 difficulties, and multiple choice, true/false, and jeopardy-styled questions. It also has a multiplayer command, so you can challenge your friends to a trivia game! 
Top players can be viewed by using the `t.top` command. If you are a top ten player and are on the official server, you can ping the developers for a special role.

TriviaMaster

A trivia bot with over 30 categories. Features multiple choice, true/false, and jeopardy-style questions.

Discord Bots

TriviaMaster