Filled in the grids and complete the hidden picture.
Heart Box
Color Tunnel
Puzzle Ball
Spidey Swing
Halloween Remembers
Anime Dress Up
Picture logic puzzles in which cells in a grid must be colored or left blank according to numbers at the side of the grid to reveal a hidden picture. The numbers are a form of discrete tomography that measures how many unbroken lines of filled-in squares there are in any given row or column.
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