Play at your own pace and improve your personal records
Compete with friends or random opponents through Apple GameKit
Color differences become more subtle as you progress
View detailed records of your online matches
See your ranking on leaderboards
Eye-friendly interface
Suitable for all age groups
Find the square with a slightly different shade among colored squares
Each correct selection earns you points
Gain +10 seconds bonus for every 10 correct answers
The difficulty level increases as you progress