3D Reversi

Common Reversi embedded in rotatable R3, T3 PBC, 3D RBC, T2 torus, S2 sphere, Klein bottle, and Mobius strip boards.

Black to play

Black4

White4

R3 Standard

Legal Moves

Place a black stone on a highlighted square.

8 stones on board

Game Mode

Reversi Space

R3 Boundary Condition

Lattice

Boundary labels: Standard stops at the board edge; PBC wraps opposite sides; RBC uses one fixed random boundary map; RP3 uses antipodal opposite-face wrapping.

Board Scale

Visible R3 z-layer

z = 5

R3 Standard uses a cubic graph with ordinary open boundaries. Moves can bracket along 26 topology-aware ray directions.

R3 coordinate view filter

Leave a field empty to show all coordinates on that axis. Reset Camera clears this filter.

Move History

Online Chat

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