SUM CRUNCH
Sum Crunch is a daily reasoning exercise designed to keep core thinking skills sharp. Each session presents a set of numbers and a target value, requiring you to identify valid combinations through focused mental calculation and pattern recognition.
Created by Guinness World Records Puzzle Master
Grounded in decades of cognitive science research
Content provider to 1,400+ companies including Microsoft, Disney, Comcast, and Warner Bros.
Parietal Lobe
Numerical processing
Prefrontal Cortex
Strategic planning
Working Memory
Mental juggling
Processing Speed
Quick calculations
Today's Challenge
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Target Sum
24
Tiles
Free
- One daily puzzle
- Basic scoring
- Unlimited practice
- Brain stats dashboard
- Challenge modes
- Achievements
$0
Premium
- Unlimited daily puzzles
- 5 Challenge modes
- Brain stats dashboard
- 30+ Achievements
- Cognitive performance tracking
- Ad-free experience
$19.95 / year