You have 60 seconds to match dots with the same colors. Matching 3 dots with the same color you get 2 seconds bonus. With 3 dots in the same color you will get 3 seconds bonus. Similarly, with 5 dots you will get 4 seconds bonus. Let get more marks as possible with this game!
Code is very clean and clear. It is easy to read and change if you want.
Game based on SpriteKit and write on Swift.