Click the window panes to frost them. Make a pattern that satisfies all the fraction clues for each stage.
Complete each stage to unlock the next one.
Jack's frosted window
Tap or click panes to toggle frost ❄️.
Jack Frost's clues
Any pattern that satisfies every clue is accepted. There may be more than one correct frosty design.
You will be awarded a Transum virtual trophy if you complete all ten stages.
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