18
Single-Layer Lines
Just like classic Tic-Tac-Toe on each of the 3 horizontal boards: 9 rows and 9 columns + 6 flat diagonals (24 total within single layers).
9
Vertical Pillars
Stack 3 marks directly above one another in the exact same row & column across Top, Middle, and Bottom layers.
12
Staircase Diagonals
Form a diagonal step-by-step across layers along either a constant row (XZ plane) or a constant column (YZ plane).
4
3D Space Diagonals
The ultimate 3D move: connect a corner on the Top Layer through the exact Center Nexus (L2·R2·C2) to the opposite corner on the Bottom Layer.
Drag Orbit 3D Cube
Scroll Zoom
123 Isolate Layer
0 Show All
H AI Hint
Z Undo
R Reset View