Do the Dewey! - Dewey Decimal trivia game with biographical information on Dewey and an explanation of the system. Treebeard's Stumpers - Weekly brain stumper involving science, math, or logic, plus an archive of past stumpers and answers. Flags of North America Quiz - Interactive trivia quiz that challenges users to identify the flag which matches the listed state or province. Sheppard Software Trivia Quizzes - Selection of 20-question educational quiz games featuring a paragraph of explanation for each trivia question. Categories include animals, world countries, health, the twentieth century and U.S. Presidents. Geo Quizzes - Collection of map games to improve your geography skills. RelateThese - Quizzes in which the objective is to find the word that relates three different objects to each other. Questions are written by users. Education Quizzes - KS3 revision quizzes. Subjects include Key Stage 3 science, maths, ICT and English.