Game · Puzzle, board & word games

Multiplication Puzzle

Solve a math mystery.

Completely free
Linux
Open source

At a glance

Multiplication Puzzle is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

Multiplication Puzzle is a simple game inspired by the multiplication game inside the popular editor emacs. You are presented with a long multiplication problem where a 3-digit number is multiplied by a 2-digit number, yielding two intermediate 4-digit numbers and a final 5-digit answer. However, all the digits are replaced by letters. Your job is to discover which letters are which digits.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Last technical check: 8 November 2026
Description from Flathub — AppStream (Flathub)

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