The best alternatives to Wacky Face are Rainbrow, Tim Sears, and Nose Zone. If these 3 options don't work for you, we've listed a few more alternatives below.
Nose Zone is the first game designed for the iPhone X's TrueDepth Camera. It uses ARKit to create an attach a laser to your nose and you control it by moving your face! The future will be touchless and games are just the beginning! For example, imagine a paralyzed person navigating and controlling an app UI with this same face-based input method.
CatchFlake is a game, which you control with your finger and your tongue. CatchFlake connects the classic type of control via your fingers with the use of your face to control the game.