Odd One Out
Train categorical reasoning with a free, browser-based odd-one-out game. Pick the item that breaks the group's shared rule.
Logic & PuzzlesA timed game that trains pattern recognition — the core skill behind algebra. Below: how to classify a sequence in one look.
Pick a level to start playing. You can switch at any time.
Read the sequence, work out the rule, then tap the next number before the timer runs out.
Tip: your progress and best score are saved in this browser only.
Train categorical reasoning with a free, browser-based odd-one-out game. Pick the item that breaks the group's shared rule.
Logic & PuzzlesFind the next number in arithmetic, geometric, and square patterns with a free, timed browser game. Includes the checks that rule out a wrong rule.
Logic & PuzzlesPick the prime number from four candidates in a free, timed browser game. Includes the divisibility tests that eliminate composites fast.
Logic & PuzzlesConvert binary to decimal in a free, timed browser game. Includes the place-value row method that never fails.
Logic & PuzzlesSort numbers from smallest to largest in a free, timed browser game. Place value, grouped by digit length, under a countdown.
Logic & PuzzlesFind the missing number that keeps the scale level, in a free timed browser game. One-step equations, built as balance puzzles.
Logic & PuzzlesComplete the pair in a free, timed browser game. Name the relationship, then apply exactly the same one.
Logic & PuzzlesSpot the word that breaks the category in a free, timed browser game. Three share a group; one does not.
Logic & PuzzlesFollow the arrows to find who beats everyone in a free, timed browser game. Three clues, one undisputed winner.
Logic & PuzzlesFind the next letter in a free, timed browser game. Constant steps through the alphabet, forward and backward.
Logic & PuzzlesPick the word that comes first in the dictionary, in a free timed browser game. Compare letter by letter, not the whole word.
Logic & PuzzlesTwo patterns running at once, in a free timed browser game. Letters move one way, numbers another.
Logic & PuzzlesCount how many numbers in the list are odd, in a free timed browser game. One last digit decides each one.
Logic & PuzzlesFollow a multiplying pattern in a free, timed browser game. 2, 4, 8, 16 — each term is the previous one times a fixed number.
Logic & PuzzlesRead a number backwards in a free, timed browser game. Place value makes this harder than it sounds.
Logic & PuzzlesOne sequence stays still while another climbs, in a free timed browser game. Read every other term to see it.
Logic & PuzzlesRead Roman numerals in a free, timed browser game. Seven letters, one subtraction rule.
Logic & PuzzlesFill the missing cell in a number grid in a free, timed browser game. Every row and every column holds each number once.
Logic & PuzzlesFlip cards and match emoji with their names in this free, timed memory game. Learn fruit, animal, and food words while training your recall.
Logic & PuzzlesRead the sequence, work out the hidden rule, then tap the next number before the timer runs out. Higher levels mix arithmetic, geometric, square, and Fibonacci patterns.
Assuming every sequence is arithmetic. Always test the ratio before committing to a difference.
Pattern recognition is the backbone of algebra and coding, so this game trains a transferable skill.