Pythagorea

Periodic Table Quiz

Erudite: Trivia Game & Quiz

QuizDuel! Quiz & Trivia Game

QuizzLand. Quiz & Trivia game

Math | Riddle and Puzzle Game

Shakes & Fidget - The RPG

Lapse: A Forgotten Future

NYT Games: Word, Number, Logic

Word Search - Evolution Puzzle

Puzzle Page - Daily Puzzles!

Daily Themed Crossword Puzzles

CodyCross: Crossword Puzzles

Hashi: Bridges

Dark Stories