Free IQ games online

Pick a puzzle and play directly in your browser. Explore logic, memory, focus and number games on mobile or desktop, with no sign-up required.

These are IQ-style games for enjoyment and practice, not a standardized IQ test. Your game results do not measure your IQ.

Logic games

Use rules and deduction to find the next move.

SudokuFill rows, columns and boxes with 1–9.TectonicFill regions and keep equal numbers apart.NonogramFollow number clues to reveal a picture.Number TrailConnect numbered checkpoints and fill every square.Pattern LogicFind the next item in a sequence.

Memory games

Watch carefully, then recall what you saw.

Memory MatrixRecreate a pattern of highlighted squares.Path RecallRepeat a route in the same order.N-BackCompare a symbol with an earlier one.

Focus games

Choose the right response while ignoring distractions.

Number HuntFind numbers in ascending order.Arrow FocusFollow the middle arrow.Color ClashChoose the ink color, not the word.

Number games

Try arithmetic and number combinations.

Quick MathSolve short arithmetic questions.Number MergeCombine equal tiles to reach the target.Target NumberUse four numbers to make the target.

Which game should I start with?

Try Number Hunt for an immediately understandable challenge. Choose Sudoku if you enjoy number deduction, Nonogram if you prefer picture puzzles, or Memory Matrix for a short recall task.

New to Sudoku? Follow our visual Sudoku guide before trying your first puzzle.

Play at your own pace

Choose a difficulty before starting. In the games that support saved sessions, Continue returns to your unfinished attempt. Progress is saved in this browser, not automatically shared between devices. Clearing browser data can remove it.

For a mixed set of challenges, visit Arena. You can also browse the full games library.