Numpad Hero

  Level 0 - Welcome
  Level 1
  Level 2
  Level 3
  Level 4
  Level 5
  Level 6
  Level 7
  Level 8
  Level 9
  Game Over - Certification

Level 4 - Lowest of the Rows

Put your thumb on the 0, ring finger on the '.', and your little finger on 'Enter'.