NOW OFFERING SWITCH AND SWITCH 2! Check my listings! Nintendo Gameboy Color | Advance Custom Cassette Case w/ 3D Printed Holder. Please let me know what games you want made when you purchase. Games can be GB GBC or GBA. GAME NOT INCLUDED. No nubs sticking out that will harm your cover art. I dremeled them down to be smooth and covered with tape so your game is safe and secure.