Beat Level 1 for the first time (Select 1 when prompted for Level)
Beat Level 2 for the first time (Select 2 when prompted for Level)
Beat Level 3 for the first time (Select 3 when prompted for Level)
Beat Level 4 for the first time (Select 4 when prompted for Level)
Beat Level 1 without losing a life
Beat Level 2 without losing a life
Beat Level 3 without losing a life
Beat Level 4 without losing a life
Loop around to the other side of the screen on the river
Get a frog to the other side of the bank without pressing left or right
Get 5,000 Points on Any Level
Get 10,000 Points on Any Level
Get 20,000 Points on Any Level