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Sharpen observation and concentration skills with our fun and educational arcade puzzle game! Featuring 10 levels and 7 hidden differences per level, you'll have one minute to find them all. A great way for kids (and adults!) to improve their visual perception and problem-solving. Play now and challenge yourself! Tags: Arcade, Difference, Fun, HTML5, Kids, Skill. Category: Puzzle. arcade puzzle game, difference game, kids puzzle, skill game, observation skills, concentration skills, HTML5 puzzle, fun puzzle, educational game, visual perception, problem solving, arcade game, puzzle game for kids