One pass, every included games tool
About this game
Spot the pattern and supply the number that completes the sequence. A quick, satisfying workout for pattern recognition and mental arithmetic — the puzzles speed up and grow as you build a streak.
How to play
- A short number sequence appears with one term hidden as “?”.
- Work out the pattern — adding, or sometimes doubling.
- Tap the number that belongs in the blank.
- Build a streak for a higher score before the timer ends.
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 Kriyasya Brain Games as an app and play fully offline.
Is this game free?
Many games are free — just sign in to play. Every other game is included with the Games Pass: with an active Kriyasya membership you unlock the Games Pass using your credits, for a flat 30-day access to them all. There is no per-game charge. Your membership must stay active to use the Games Pass — if it lapses, access pauses (your pass days keep counting) and resumes when you renew.
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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Ready to play?
Pick a healthy play time and enjoy — gently, at your own pace.
Play now — Missing Number