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Play Sequence Solver Online

Find the next number in three deterministic pattern rounds. This original single-player Sequence Solver uses arithmetic, alternating-step, and additive sequences across three difficulty levels, with four answer choices, an optional truthful rule hint, mistake tracking, pointer and keyboard controls, fullscreen play, and instant restart. Play free with no account or download.

Choose puzzle level

Single-player puzzle

No multiplayer mode

Your turnScore 0

How to play

Find the next number in three deterministic pattern rounds. This original single-player Sequence Solver uses arithmetic, alternating-step, and additive sequences across three difficulty levels, with four answer choices, an optional truthful rule hint, mistake tracking, pointer and keyboard controls, fullscreen play, and instant restart. Choose puzzle level, make your move, and use Restart whenever you want a fresh game.

Strategy tips

  • Compare consecutive terms first: differences often reveal a steady or alternating step.
  • On additive patterns, test whether each term combines earlier terms before choosing an answer.
  • Use H or Show rule hint for the exact rule; arrows move between choices, Space or Enter selects, and number keys 1–4 answer directly.

FAQ

Is Sequence Solver free?

Yes. It is free to play in your browser.

Do I need an account?

No account or email is required.