CrossVortex is a fast paced arithmetic puzzle game built around cross number style equations. Solve clear, solvable problems that blend addition, subtraction, multiplication, and division. Choose from four difficulty levels: Easy, Medium, Hard, and Expert.

Each round shows several equations with one hidden value. Type the missing number, tap Check Answer, and press Continue to load a fresh challenge. A short countdown timer keeps the pace. One wrong answer or a timeout triggers Game Over with options to restart or return home.

The interface scales to all iPhone sizes with smooth animations, readable text, and responsive controls. Sound feedback and an in app rating action are included. A simple Contact Us form lets you share feedback from inside the app.

Key points
- Four skill levels
- Smart puzzle generator that avoids unsolvable cases
- Quick sessions with a 30 second timer
- Restart or quit at any time
- Works offline
- No accounts required

Sharpen your mental math, improve focus, and enjoy a modern brain workout that fits any schedule.