Grey Matter Paid Apps

Shut The Box Chrome is a modern version of the old Shut The Box board game which is thought to have originated in Northern France. Shut The Box tests your basic math addition skills and throws in...

Feed your brain with a personal coach!

If you want to stay young at heart, and sharp mentally, take a few minutes a day and train your brain with Einstein™ Brain Trainer!

Sly fox,...

Fight zombies in the REAL WORLD with your iPhone! You wont believe your eyes! How long can you survive??

** HUGE Update!!

v2.0 is here! Changes include:
- NEW ENEMIES! Undead...

*** Search for Puzzlium - the 1st puzzle social network. SOLVE thousands of fun, addictive puzzles. CREATE new puzzles to challenge anyone in the world. COMPETE with other solvers. ***...

** PLEASE Read this first! **

This game is designed to be difficult to solve!! If you enjoy a true brain breaking puzzle, then this game is for you. However if baking your grey matter with...

A STORY YOU HAVEN'T HEARD BEFORE...
A buddhist monk needs your help in the reconstruction of the Great Wall of China. You have to errect it between observation towers. Remember that It must be...

***SALE*** Celebrating the launch of City of Secrets 2: Episode 1, you can pick up this BRAND NEW ADVENTURE for the crazy introductory price of 99 cents! (normal price will be $4.99). And, because...

A new dimension in word gaming - Mirror Reading provides challenging brain play and a fun chance to explore your untapped aptitudes. 
Check it out!
Stretch mental muscle with this unique...

Come Juggle with Mr Marcus! This “Juggle with Mr Marcus” app teaches you what you need to know to become good at the Diabolo, 3 ball juggling and even unicycle riding. Relax, increase your grey...

Come Juggle with Mr Marcus! This iJuggling 4 Beginners app teaches you what you need to know to become good at the Diabolo, 3 ball juggling and even unicycle riding. Relax, increase your grey...