Eulera: Sudoku & Puzzles

Eulera is a free brain game designed for anyone who enjoys maths and logic. Sudoku, number search and arithmetic — three different puzzle modes in a single app, with over 3,000 levels. Every level entertains while keeping your mind sharp. 🧩 THREE PUZZLE MODES Sudoku Classic 9x9 sudoku puzzles. Place the digits 1 to 9 so that each row, column and 3x3 block contains each one exactly once. Use notes to mark possibilities and highlight matching digits to avoid mistakes. A difficulty curve that runs from gentle beginner boards all the way to expert level. Number Search Find and mark sequences of numbers hidden in the grid. Search horizontally, vertically and diagonally to sharpen your focus. Race against the clock and get a little faster with every level. Arithmetic Mental maths practice with addition, subtraction, multiplication and division. Place the right numbers in the right slots and complete the equations. Perfect for building calculation speed. 🆕 NEW IN THIS UPDATE Daily Puzzle A new puzzle every day, in a mode that changes daily. Everyone in the world solves the same puzzle. Keep your streak alive and collect your reward each day. You can play even without a connection — your progress syncs automatically once you're back online. 67 Achievement Badges Goals across 17 categories: levels played, stars collected, daily streaks, levels finished without hints, fast solves and much more. See how many you can collect. Daily and Weekly Missions Earn coins and jokers from missions that refresh every day. Reach bigger rewards with weekly goals. The mission pool is large, so you won't keep seeing the same tasks. Skip-Level Joker Don't get stuck for hours on one board. Use your joker, move on to the next level, and come back to try again whenever you like. Redesigned Home Screen Pick up where you left off with a single tap. Your daily streak, today's puzzle and all three modes on one screen. ⭐ KEY FEATURES - Progress level by level through a 3,000-level journey map - Earn 1, 2 or 3 stars per level based on your performance - Detailed statistics: time played, best scores, progress by mode - 16 different themes — light, dark and patterned options to suit your taste - Hint joker for when you get stuck - Compete with other players on the leaderboard - Chat screen to connect with other players - Playable offline — on the train, on a plane, anywhere - Progress saved to your account, so it survives a change of phone - Available in Turkish, English, German, French and Spanish - Clean, easy-to-read interface suitable for all ages - Ads kept to a minimum 🧠 WHY EULERA? Built for anyone who wants to exercise their brain, make good use of spare time and strengthen their maths skills while having fun. If you're a student it builds mental calculation speed; if you're an adult it offers a daily workout for the mind. Not one of those games packed with ads that constantly pushes you to spend. Play as much as you like, stop whenever you want. Your progress will be waiting. Whether you're having your morning coffee, waiting for the bus or winding down before bed — solve a few puzzles and keep your mind alert. Five minutes a day makes a difference over time. Download now, solve today's puzzle and start your streak.