Duck is a blatant imitation of Penguin Land. You have to push your eggss from the top of each level all the way to the bottom, digging holes Lode Runner style along the way. Of course, it being an egg, it isn’t the easiest of items to accompany. If it drops too far it’ll break open, and even landing on top of it yourself will shatter it. If you can make it through all 20 stages, the game loops, so sadly we’ll never get to see that egg hatching.
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