Number Ninja
A timed multiplayer race: solve the falling sum before your lives run out.
Learning outcome: Mental calculation under pressure
Coasted Code Games
Maths, logic and coding challenges that reinforce classroom learning. Built for young African learners and open to players everywhere.
Inside the app
Codi
Unlock logic puzzles by guiding Codi through increasingly complex paths across five sections.
Learning outcome: Sequencing, loops and conditions
Coasted Quiz
A weekly trivia battle across science, technology and mathematics — one attempt per week.
Learning outcome: Recall and cross-subject reasoning
Maths Challenge
Race the clock in solo practice or head-to-head speed races against other players.
Learning outcome: Speed and accuracy in arithmetic
Parent safety and multiplayer
Parent safety information
- No free-text chat between players
- Display names only — never real names
- Matches restricted to the same age band
- Guardian email required for accounts under 13
- Progress export or deletion on request
Leaderboards and multiplayer
Leaderboards rank by weekly XP within a learner's own age band. Multiplayer matches are limited to age-appropriate opponents, use display names rather than real names, and contain no free-text chat.
Parents can request account deletion or a progress export at any time from support.
Play the free web challenge
The AI Maths Challenge runs in the browser — no app install required.