If you collect the letters "N", "U", "K", "E", and "M" in the correct order, you will get 100,000 points. If you collect all those letters, but out of order, you will only get 10,000 points.
Press G + O + D.
Press E + A + T. Note: The scorewill reset to zero after this code is enabled.
Press N + U + K. Alternatively,press D + U + K + M.
Complete the indicated tasks to unlock a secret bonus.