Use your mouse to move the rat. (ha) Only get the foods that fancy rats can eat. Watch your tail, it can help or hinder you. You can turn on labels in settings. On the left is your score, on the right is your highscore. NOTE: This is NOT a full list of foods fancy rats can and can not eat! Here is a complete list: https://pethelpful.com/rodents/Rat-Nutritional-Information-Can-my-Pet-Rat-Eat-This My high score: 60
If you want a challenge, turn on Turbo Mode (Shift and press the green flag)