Number Series: Mind Puzzles

2, 4, 8, 16… what comes next? If you love the moment a pattern clicks, Number Series is your kind of number and logic puzzle game. Crack number sequences, solve math puzzles and brain teasers, and come back every day for fresh challenges. Free to play, with no ads. 🔢 NUMBER PUZZLES THAT CLICK Find the next number in a sequence, spot the odd one out, complete the equation, work out the hidden rule or find the missing operator. 40 kinds of number puzzles across 5 families, from gentle to genuinely tricky. Stuck? Grab a hint. ☀️ 5 QUICK DAILIES, EVERY DAY • Equatle: guess the hidden equation in five tries • Target: six numbers, one target, 60 seconds • Sequence Set: find the triples that share a rule • Symbol Sums: three shapes, three equations, crack their values • Daily Estimate: your guess against the crowd's New puzzles every day, the same for every player, so you can compare scores with friends. Plus the Daily Challenge, with a streak to keep alive. 🧠 18 BRAIN TRAINING MINI-GAMES Quick, playful rounds of mental math, number memory and reaction games: Speed Solve, Number Memory, N-Back, FizzBuzz Reflex, Sum Snap, Greater/Less Sprint, Estimation Station and more. 🧩 BIGGER PUZZLES Kakuro number crosswords, Number Cascade (drop, merge and chain falling numbers) and Math Maze, where every step changes your total on the way to the target. Play the daily puzzle or keep going in endless mode. 🎮 A MODE FOR EVERY MOOD Classic (25 levels with a hidden-word twist), Marathon, Speed Blitz against the clock, Zen Practice with no timer, and Category Mastery with 120 star challenges. ⚔️ PLAY WITH FRIENDS Challenge a friend to a Duel with a link, take on the weekly Tournament, and chase Google Play Games leaderboards and achievements. 📊 IQ TEST, JUST FOR FUN 50 questions across 5 abilities, with an IQ-style score and a breakdown per category. It's for entertainment, not a clinical assessment. 🎨 MADE TO FEEL LIKE YOURS Three colour themes with light and dark mode, Material You colours on Android 12 and up, and a layout that adapts to phones, tablets and foldables. Available in 12 languages. ⭐ OPTIONAL PREMIUM Every game above is free to play, and there are no ads. An optional Premium subscription adds extras: explanations that show their working, unlimited Quick Daily rounds and hints, unlimited Kakuro hints, Mistake Practice, Practice Studio, Insights, Expert difficulty, the Daily Archive, more streak freezes, hourly cloud sync and two extra themes. Ready for your first puzzle? 2, 4, 8, 16… what comes next?