This will vary if you are on iOS or Android. iOS is called Support Code instead of AMPCode.

  1. Ensure you have an active and working internet connection on your device.
  2. Launch the PickCrafter app.
  3. Make sure you have the Cave biome unlocked
  4. Navigate to the Options Menu (Wooden Sign at the top right of the game screen)
  5. Navigate to the Settings Menu (Right-most menu - cog wheel is the icon -  https://imgur.com/hrTDrKc)
  6. Scroll down and tap the AMP Code / Support Code button
  7. Enter the AMPCode!