Core By Zip - Version 4.1 CoreByZip is an addictive platform game where you have to pass through many different levels, avoiding traps and collecting as many crystals as possible. Truly a fascinating game, so be sure to spread the word. Good luck to all! CoreByZip is an addictive platform game where you have to pass through many different levels, avoiding traps and collecting as many crystals as possible. Truly a fascinating game, so be sure to spread the word. Good luck to all!CoreByZip is an addictive platform game where you have to pass through many different levels, avoiding traps and collecting as many crystals as possible. Truly a fascinating game, so be sure to spread the word. Good luck to all!