Now I love Picross in 2D, I don’t need to tell you that. In 3D it’s a bit different; you can’t take in the whole puzzle at a glance, and building off each new step is much more fiddly. The numbers you need to solve each logic puzzle are printed on the sides of each cube. You rotate it in 3D space and you have a progressive cross-section function, so it’s a matter of repeatedly checking each slice and cycling through both vertical planes. Did that make sense? It’s hard to explain.

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