To play the game, use the WASD keys or the arrow keys on your keyboard to move the shepherd character. Your goal is to guide your sheep to eat flowers of the right color. If you get stuck at any point during the game, you can press the Z key to undo your most recent moves. If you want to pause the game, press the escape key or the P key to look at your watch. While the game is paused, you can use the A and D keys or the left and right arrow keys to change levels. When you're ready to continue playing, press the escape key or the P key to replay the selected level.