The Domino Cube (2x3x3), invented by Ernő Rubik in the early 1980s, is a 3x3x2 cuboid puzzle with 8 corners and 6 centers, boasting 406 million combinations. Julien Adam’s unofficial 1.82-second solve leads records. With 3×3 faces turning 90° and 2×3 faces at 180°, it’s solved layer-by-layer, aligning corners without orientation. A collector’s classic, MoYu’s stickerless models turn smoothly. Rubikverse.com’s simulator provides an intuitive platform to scramble and conquer this unique cuboid anytime.