The game is called Prison Gates and it is a stickman running game where you try to pass through gates while avoiding criminals. Your mission in this game is to pass through the right one of the 2 gates that will appear in front of you while running. One of these passages will be open and the other will be closed. If you try to pass through the closed gate, the criminals will catch you and the game will be over. When you pass through the right gate, the criminals chasing after you will not catch you and you will succeed.