Sum45 spatial edition · 03 × 03 × 03
See the puzzle
from every side.
A KSudoku-style Roxdoku cube. Every 3×3 slice along depth, width, and height must contain the numbers 1–9 exactly once.
Three planes. One solution.
Active slice
Depth 1
Use 1–9 to enter · arrows move through the active slice · Backspace erases