Samurai Sums is a public games library by Numeracy Ninjas. No accounts, no adverts, no paywall: just focused number practice that works from phone to classroom screen.
Today’s launch games
Lightning, Factoria, Dart Dojo and A-Mazing Escape
Two featured games rotate from the live catalogue. Open the library to see every game by skill and topic.
Fast recall. Clean reps. Beat your own streak.
A rapid-fire fluency game for multiplication and division facts. Choose tables, set the streak window, and build speed with immediate feedback.
A factor strategy duel on a 12 by 12 number grid.
Place counters by making products from factor pairs. Line up 4 in a row while blocking your opponent and sharpening factor fluency.
Teachers can point pupils at a specific game and skill. Pupils can play immediately, with local best scores and settings kept only on their own device.
Teacher-friendly
Send pupils straight to a game from the searchable library.
Pupil-friendly
No login screen, payment wall, advert layer, or classroom faff.
Privacy-safe
Best scores and settings stay on the device and can be cleared.
Growing library
Games support recall, strategy, arithmetic, and spatial reasoning.
