Twist 'em! Squeeze 'em! Squish 'em! Welcome to the Mash'ems Official Collector's Guide and Checklist. Check off your collected Mash'ems and add the ones that you want into your wishlist. Read and get to know more about each character. Includes every Mash'em collectible ever created. Download now! Featuring: Justice League. Angry Birds. Avengers. Flappy Bird.