5/5 rating based on 55 reviews. Read all reviews for GREG - A Mathematical Puzzle Game To Train Your Brain Skills for iPhone.
GREG - A Mathematical Puzzle Game To Train Your Brain Skills is paid iOS app published by Marco Torretta
Russthenerd
This game forces you to use your brain. And it hones your mental arithmetic skills.
J54321stupid
This game is the perfect brain teaser. I love that my boyfriend and I can challenge each other!
Pghkitty
I like it too, but don't often get to play ; ) No annoying music or crazy blinding graphics. Thanks!
junieb44
I love math and this is a fun way to enjoy math. It help build your memory and speed. Two thumbs up.