How to play
SumNinja is a fun math game that tests your math skills! The goal is to solve problems as fast as you can. The more you play, the harder it gets. But be careful—if you make a mistake, it's GAME OVER. Good luck!
- Focus on the challenge shown above the input line.
- Type the correct answer. The timer line under the input shows how much time you have left.
- Keep your streak alive to unlock achievements and increase your score.
Stats
Track your momentum and milestones.
Challenge summary
Daily, weekly, and monthly progress at a glance.
Practice calendar
Last 52 weeksAnswer time trends
Streak progress
Answer speed insights
Complete more challenges to unlock this breakdown.
Training history
Play a round to start your history.
Round details
Select a round to view detailed results.
Achievements Dojo
Unlock badges by keeping your streak alive!
Progress
Unlocked 0 of 0 Achievements
What's New
Short, fun stories behind every tweak.
You're all caught up!
No updates yet.
Command Center
Fine-tune your pace and language.
Practice focus
Choose how the challenge mix rotates.
Toggle the combos you want SumNinja to cycle through.
Digit groups
Lock in on a single combo to master it.
Choose which operator you want to drill.
Pick the partner number you want to drill.
Choose how many digits should pair with your focus number.
Timing window
Tune the countdown that powers each round.
Smart pacing
Let SumNinja respond to your streaks and slow spells.
Language
Choose the language used across SumNinja.
Updates
Choose how SumNinja shares its latest tricks.
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