Blinko is the most addictive, fun and simple brain training game! Your memory will be tested as you select the blocks that blinked on the grid. Challenge your memory skills and push them beyond their limits as the blocks blink faster and in difficult combinations. CAN YOU REMEMBER ALL THE BLOCKS THAT BLINKED? BLINKO! FEATURES 400 Exciting Levels. 4 Different Grid Sized. Easy (4x4 Grid). Medium (5x5 Grid). Hard (6x6 Grid). Expert (7x7 Grid). Improve your memory and retention. Exercise your brain. Perfect for all ages.