OpSix: Daily Math Puzzle

Six numbers, four operations, one target. 15 new puzzles a day — the same for the whole world. Free, no ads, no account.

Six numbers. Four operations. One target.

OpSix is the classic numbers game, rebuilt for your thumb: tap a number, an operation, another number — the result becomes a new tile, and you feel the answer take shape with every move. Reach the target exactly, or get as close as you can before the clock runs out.

THE DAILY 15 • 15 fresh puzzles every day: five easy, five medium, five hard • The same numbers for every player on Earth — generated from the date itself • Play them in any order, whenever you like during the day • Closeness scores first, speed earns a bonus

COMPETE • Daily and all-time Game Center leaderboards • Keep your streak alive, day after day • Share your spoiler-free result card with friends

LEARN • After every round, see the best possible solution — step by step • Watch your mental arithmetic sharpen with real play, not drills

FREE AND PRIVATE • Completely free: no ads, no subscription, no account • No servers, no data collection — puzzles are generated on your device • Free Play mode with three difficulties, whenever you want more