Here is my first game on microStudio
The idea is that you try to guess a 4-digit code in the time limit, using the hints supplied by the game. The hints basically tell you if each digit is lower, higher or equal to the respective digit of the target code.
So, if the code is 3579 and your guess is 4279, the game will show:
-+79 (meaning that the first digit is lower, the second higher and the third and fourth are correct)
4279 (this is your guess)
You are awarded points for guessing right - the faster the more. After each guess, the time limit gets lower. You can play using the mouse or the keyboard. The game is designed more with a mobile portrait screen in mind.