Labs · prototype
Tide
Fill cubes in a 3×3×3 stack (shown as three layers). Three sets of clues constrain it: the number on each layer cell is how many cubes sit in that column going DOWN through all layers; the row clues on the left of each layer count cubes ACROSS that row; the bottom clues count cubes FRONT-to-back. Tap to toggle a cube. Match every clue.
Layer 1 (top)
2→
1→
0→
↓2
↓1
↓0
Layer 2
1→
1→
1→
↓1
↓1
↓1
Layer 3 (bottom)
1→
1→
1→
↓0
↓0
↓3
The number printed in each cell is its down-column target (how many of the 3 layers are filled in that column). →n on the left = cubes across that row in this layer. ↓n below = cubes front-to-back. Every clue must match.