Noutilapy

Odd Even Math Brain Trainer

Noutilapy is a pure math brain training game designed to sharpen your mental arithmetic every day. Each level gives you a unique math equation. Solve it in your head and decide whether the final answer is an odd number or an even number. It sounds simple, but as levels progress the equations become more complex and the timer keeps pushing you harder.


HOW TO PLAY
1. Each level presents a math equation on screen.
2. Calculate the answer in your head or type it in the answer field.
3. Tap ODD or EVEN to classify the result.
4. If the countdown timer is active, answer before time runs out.
5. Use the hint button if you need a clue. Hints are limited so use them wisely.
6. Complete the level to earn up to three stars based on speed and accuracy.
7. Unlock the next level and keep climbing through all 50 challenges.


FEATURES
50 Levels. Hand-crafted puzzles organized from beginner to expert. Topics include basic arithmetic, multi-step operations, powers, factorials, modular arithmetic, Fibonacci sequences, prime numbers, and summation series.

Countdown Timer. Each level has a time limit. Race the clock to earn your best score. Turn the timer off in Settings if you prefer a relaxed practice mode.

Hints. Each puzzle includes a tailored helpful hint. Enable or disable hints from the Settings screen.

Star Ratings. Earn one, two, or three stars per level based on your speed and accuracy. Replay any level anytime to improve your score.

Three Difficulty Modes. Choose Easy, Normal, or Hard to match your current skill level and make the game as challenging as you want.

Sound and Vibration. Satisfying audio and haptic feedback is provided for every correct and incorrect answer.

Progress Saving. All unlocked levels and star ratings are saved automatically. Reset all progress from the Settings screen at any time.

No internet required. No ads. No distractions. Just pure math and sharp thinking.

Train your brain every day and conquer all 50 levels. Can you earn three stars on each one?