Exercise 2 - Marble Maze (Michael Chen1)

In this game, You need to use "WASD" to control the marble to reach the portal in each level. 

In level 1, time to test your luck! Find the correct button and roll on it; otherwise the world will collapse.

In level 2, time to solve the puzzle,  don't step on the green trap!!

In level 3, there is only one container has the portal. You can take risks to go through the narrow bridge to activate the dominos to help you.