Kakuro
A crossword built from numbers — fill the runs to match each sum.
Play nowAbout this game
A crossword built from numbers. Fill each run so the digits add up to the target sum, with no repeats.
How to play
- Each row and column shows a target sum.
- Tap a blank cell and choose a digit.
- Make every line add up to its target.
- Wrong entries highlight red until fixed.
Good for your mind
Healthy by design
Healthy timer
Choose 1–15 minutes, or no timer for calm games. Play stays balanced.
Gentle breaks
Soft reminders to pause and rest your eyes after a while of play.
Kids & senior modes
Bigger buttons, calmer pace and night mode for comfortable play.
Fully offline
Installs as an app and plays without internet — your scores stay on your device.
Questions, answered
Do I need to download anything?
No. Every game plays instantly in your browser. You can also install Lifeved Brain Games as an app and play fully offline.
Is this game free?
Many games are free to play. Premium games are included with a Lifeved membership — sign in with your membership email to unlock them all.
What is the healthy timer?
Before you play you choose a play time — 1, 3, 5, 10 or 15 minutes, or no timer for calm games. We add gentle break reminders so screen time stays balanced.
Is it suitable for kids and seniors?
Yes. Kids and senior modes offer bigger buttons and a calmer pace, and night mode dims the screen for comfortable evening play.
Are my scores private?
Yes. Your best scores are saved privately on your own device and are never uploaded.
Is this available in Hindi?
Yes. The whole app works in English and हिन्दी — switch any time from the top of the page.
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Number Cross
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Ready to play?
Pick a healthy play time and enjoy — gently, at your own pace.
Play now — Kakuro