(Please remember that I take no responsibility if you screw up your Game Cartridge!)
Step 1: What you need
- Nintendo GameBoy Cartridges (Any kind will work. I am using Original GameBoy Games for this demonstration)
- 1 to 2 Q-Tips
- A Cup of Water
Step 2: Prepare the Q-Tips
Step 3: Clean, Clean & Clean
Step 4: TEST!
Don't just assume that your Game will just work, up and running!