About Multiply.by

A quick, focused way to learn the multiplication table.

Minimalism

Zero cost.
No sign-up.
No ads or trackers in the game.
No visual clutter.
The game weighs less than 40 KB.

Functionality

Designed for maximum learning speed.
Know them all? Finish in under 90 seconds.
Works on your phone or computer.
Install for offline use.
Two versions: multiply.by (2 to 9) and 12.multiply.by (to 12).

Transparency

Open source: free to copy, change and share.
The entire game is one readable file.
See exactly how the game was built.
Build it yourself, using your favorite AI model.