Level snapshot
See what feels solid now and jump into deeper performance details.
Mental math game for speed, accuracy, and drills.
Practice on the go and get faster every day with quick rounds, times tables, division, subtraction, and more.
Drills
High Score
0
Score
0
Player level
1
Time
Time
Remaining
0s
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.
Keyboard shortcuts
Start
- 1Play fast
- 2Play accurate
- TOpen Start
- EOpen Settings
During a round
- EnterSubmit your answer
- SpaceFocus the answer box
- EscFinish the round
Stats
- SOpen overview
- POpen performance
- MOpen milestones
- AOpen history
After a round
- EnterPlay again
- SSee more stats
- HOpen this guide
Stats
Game mode
Overview
Your current level, pace, and practice habits at a glance.
Recent activity
A quick look at your latest practice rhythm before you open full history.
Recent milestones
Your latest unlocked milestones and a quick way into the full collection.
Suggested next drill
Current level
Questions that fit you right now.
Answer speed insights
Complete more challenges to unlock deeper speed insights.
Practice calendar
Last 52 weeks
Play a round to fill your
calendar.
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
Game mode
Choose whether the round ends on time or only on a wrong digit.
Practice focus
Choose how the challenge mix rotates.
Toggle the combos you want SumNinja to cycle through.
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Operator
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Digits
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Timing window
Tune the countdown that powers each round.
Smart pacing
Let SumNinja respond to your streaks and slow spells.
Global
preferences
Language
Choose the language used across SumNinja.
Language
Updates
Choose how SumNinja shares its latest tricks.
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