Ho Ho Ho! Test Your Noggin' with Christmas Brain Teasers! Get ready to jingle your brain cells with Christmas Brain Teasers, a festive and fun game on GamePix.This delightful brain teaser challenges you with Christmas-themed puzzles that will put your thinking cap on and keep you entertained for hours. No need for batteries! This brain-teasing game is the perfect way to keep yourself or the whole family entertained during the holidays. Keep your brain active and engaged during the holiday season. Perfect for solo play or a fun group challenge. Get into the Christmas spirit with a healthy dose of mental exercise.