Sum Ducks

Platforms: Apple II, Commodore 64
Platform: Apple II
Display Type: Color
Sum Ducks for Apple II - Spinnaker logo. Sum Ducks for Apple II - Title screen; the duck walks back and forth with the game credits. Sum Ducks for Apple II - Ready to start? Sum Ducks for Apple II - Game start; play, or view the instructions? Sum Ducks for Apple II - Game instructions. Sum Ducks for Apple II - Tossing rings... Sum Ducks for Apple II - Picking up a new ring to try again... Sum Ducks for Apple II - The subtraction game.