Celebrating 30 Years of Cognitive Testing Excellence 1996-2026

IBM Torino Instance: d1lhbkf29o4s73appk4g
GUINNESS WORLD RECORDS PUZZLE MASTER

SUMCRUNCHER

THE ONLY DAILY BRAIN GAME YOU NEED

A precision-designed numerical cognition exercise that trains four critical brain regions in under five minutes. Created by Guinness World Records Puzzle Master Timothy E. Parker, whose puzzles have reached over 180 million solvers worldwide.

Guinness Record
World's Most Syndicated
180+ Million
Global Solvers
17,000+
Puzzles Created

TRAIN YOUR BRAIN DAILY

SumCruncher exercises four essential cognitive domains through continuous mental arithmetic. Unlike passive puzzles, your brain is computing every second — from first glance to final tile.

  • Parietal Lobe — Numerical Processing
  • Prefrontal Cortex — Strategic Planning
  • Working Memory — Mental Tracking
  • Processing Speed — Quick Calculation
SumCruncher brain training game interface showing a grid of numbers with a target sum to solve
Click to Compare Free vs Premium

Unlock Full Performance Insights

Premium players receive a comprehensive breakdown of every session.

Premium Results Dashboard Includes:

  • Performance Summary & Score
  • Processing Speed & Reaction Time
  • Working Memory Tracking
  • Accuracy & Attention Metrics
  • Executive Function & Strategy
  • Global Achievements & Leaderboards
  • Full Session History & Progress
SumCruncher daily brain training game interface showing number puzzle grid, timer, target sum, and cognitive challenge gameplay

CHOOSE YOUR PLAN

Free daily training or unlimited premium access

Free
$0
forever
  • 1 Daily Puzzle
  • 5 Hints per Game
  • Basic Score Summary
  • Ad‑Free Experience
  • Full Performance Dashboard
  • Unlimited Play

Love Brain Games? Discover Your Full IQ Profile

SumCruncher tests your numerical processing. Real World IQ measures all 6 brain regions — including the ones you can't test with numbers alone.

Take the Full IQ Assessment — $99
Created by Guinness World Records Puzzle Master Timothy E. Parker
Also from Timothy E. Parker & Advanced Learning Academy:
Real World IQ — $99 Real Bio Age — $99 RELIQ — $99