Learn 19×19 mental multiplication through simple, step-by-step number placement.

Instead of solving everything at once, each question guides you to focus on the important digits, choose the correct answer, and build the habit of calculating in your head.

How to play:
・Look at the highlighted digits
・Follow the multiplication rule
・Choose the correct answer from the options
・Clear each step and move forward

The controls are simple, so it is easy to start even if you are not confident with mental math. Each question is short, making it suitable for quick practice, daily brain training, or learning at your own pace.

Recommended for:
・Players who want to practice 19×19 multiplication
・Fans of number puzzles and brain-training games
・Students, adults, and anyone who enjoys quick math challenges
・Short solo play sessions during free time

Place, think, and learn the patterns behind fast mental calculation!

The game supports both button controls and touch controls, allowing you to play in TV mode, handheld mode, or tabletop mode.
※This game is designed to be played on the Nintendo Switch™ in vertical orientation.