- 4 x 4 x 8 Tri-dimensional Chess. Missing description (4x8x4, Cells: 128) By Alberto Monteiro.
- 4*Chess (four dimensional chess). Four dimensional chess using sixteen 4x4 boards & 96 pieces. (4x4x16, Cells: 256) By Kevin Pacey.
- 52Chess. A piece may teleport to the square corresponding to a drawn card. By Kevin Pacey.
- Chess Cubic. Chess board is a cube with each side a 4x4 grid. (4x4x6, Cells: 96) By Robert J. Bell.
- Chessence. Small variant with many possible winning conditions. By Stephen Sniderman.
- Chesseract. Four dimensional chess variant. (4x4x16, Cells: 256) By Jim Aikin.
- Chipps. Let all pieces gain a chip by moving to the other side of 4 by 8 board. (4x8, Cells: 32) By Mark Leff.
- Cube Chess. Chess board is a cube with 4 playable sides, each with a 4x4 grid. (4x4x4, Cells: 64) By Robert J. Bell.
- Demi chess. Chess on a 4 by 8 board. (4x8, Cells: 32) Author: Hans L. Bodlaender. Inventor: Peter Krystufek.
- Ecutunnel and Ecumillstone. 3d versions of twin-board Ecumenical Chess, with a new front-rank piece. (4x12x4, Cells: 192) By Charles Gilman.
- Exchequer. Commercial 3d chess variant on 4 by 4 by 4 board. (Link.).
- Exchequer 3D Chess. Expensive three dimensional chess variant. Inventor: Rick Hewson.
- Extended Half-chess. Variant on 4 by 10 board. (4x10, Cells: 40)
- Five-Minute Poppy Shogi. Small shogi variant on a 4 by 5 board. (4x5, Cells: 20) Author: Hans L. Bodlaender. Inventor: Oyama Yasuharu.
- Four File Chess. Variant on 4 by 10 board. (4x10, Cells: 40) By Kris Barski.
- Half Chess. On a 4 by 8 board without pawns. (4x8, Cells: 32) By John Groeneman.
- Hibryd I. Game played on 4x4 board with a King and four Pawns each, neutral pieces, multiple forms of capture and many ways of winning. (4x4, Cells: 16) By Jared B. McComb.
- Hippodrome. Solitaire game using a small board. (4x4, Cells: 16) By Andy Lewicki.
- Honeycomb Minishogi. Hex-prism version of 3d Minishogi, with compulsory setup phase. (4x5x4, Cells: 50) By Charles Gilman.
- Hyperchess4. Hyperchess updated: changed rules, discussion, sample game, etc. By Joe Joyce.
- Influence Chess. Pieces on the top or bottom layer influence which chess pieces may move on the middle layer. (4x7x3, Cells: 84) By Samuel H. Bell.
- Marmara. A Byzantine Chess variant featuring Trojan Horses. (4x16, Cells: 64) By Charles Gilman.
- Martian Chess. Two or four player strategic game with chess elements played with Looney piramids. (4x8, Cells: 32) Author: Hans L. Bodlaender. Inventor: Andrew Looney.
- Microshogi. Small shogi variant on a 4 by 5 board. (4x5, Cells: 20) Author: Hans L. Bodlaender. Inventor: Oyama Yasuharu.
- Oblong chess. Variant of Shatranj, played on a four by sixteen sized board. (4x16, Cells: 64) Author: Hans L. Bodlaender.
- Oblong Chess 44. Variant of Oblong Chess on board with 44 squares. (4x11, Cells: 44) By Erez Schatz.
- Open King 4*4DChess. Four dimensional game with 48 pieces. (4x4x16, Cells: 256) By Kevin Pacey.
- Paired Piece Tunnelchess. A new approach to the Tunnelchess first rank. (4x8x4, Cells: 128) By Charles Gilman.
- PokerChess. PokerChess is a 2 player board game employing the mechanics of chess and poker. By Susannah Thorarinsson.
- Quadlevel 3D Chess. Four level 3d chess. (4x8x4, Cells: 128) Author: Robert Koernke Jr. Inventor: Robert Koernke Sr.
- Quarterboard. Small variant with no pawns and piece drops, inspired by Chess and Shogi. By Milan Zeiske.
- Redistribution 3d Chess. Relatively small 3d variant with short-range pieces including Pasha family. (4x6x4, Cells: 96) By Charles Gilman.
- Spartan Chess 28. Missing description (4x7, Cells: 28) By Graeme C Neatham.
- Sphinx Chess. Likely the first 4D chess variant. Author: Ben M Reiniger. Inventor: Vernon Rylands Parton.
- ST3DRoth. Charlie Roth's Revision of Star Trek 3D Chess. Author: Fergus Duniho. Inventor: Charles Roth and Andrew Bartmess.
- Star Trek 3D Chess for Tournaments. A variation of Star Trek 3D Chess designed for tournament play. Author: Fergus Duniho. Inventor: Jens Meder and Andrew Bartmess.
- Strand. Three dimensional game with pawns and kings that move along straight lines and must remain adjacent. (4x4x4, Cells: 64) By Mike Cosgriff.
- Super4*Chess (four dimensional chess). Four dimensional chess variant played with 96 pieces. (4x4x16, Cells: 256) By Kevin Pacey.
- TessChess. 4D chess featuring symmetrically-moving pieces. (4x4x16, Cells: 256) By Ben M Reiniger.
- Tic-Tac-check. Get four chesspieces in a row on a 4 by 4 board. (4x4, Cells: 16) Author: Daniel Thibault and Hans L. Bodlaender. Inventor: Don Green.
- Timeline. Pieces travel through time on four 4 x 4 x 4 boards. (4x4x4, Cells: 64) By George Marino.
- Tryzantine Chess. A three-handed form of Byzantine (circular) Chess. (4x21, Cells: 84) By Charles Gilman.
- Tunnelchess. 3D variant played on a stack of four Half Chess boards. (4x8x4, Cells: 128) By Charles Gilman.
- Tunnelshogi. 3-D Shogi variant. (4x4x8, Cells: 128) By Charles Gilman.
Total items listed: 46