The Double Up is the sister game to the Hawaii. It has
all the features of the Hawaii with the exception of the
play more coins for more features and score before shooting
the third ball. Instead of having the double/triple feature,
the Double-Up and Hawaii have the "Double-Up Feature"
and presented the greatest scoring opportunity ever created
for bingo pinball games according to Jeffery Lawton's book.
Click on the images below to supersize.