The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• 20G Movement Finesse‏‎ (1 member)
• 20G SRS Movement Finesse‏‎ (1 member)
• 3D Tetris files‏‎ (3 members)
• ARS Movement Finesse‏‎ (1 member)
• Alizarin Tetris files‏‎ (1 member)
• Amagami Tetris files‏‎ (3 members)
• Animated files‏‎ (82 members)
• Arcade games‏‎ (21 members)
• Arika‏‎ (13 members)
• Artwork‏‎ (17 members)
• Atomic Tetris files‏‎ (1 member)
• Audio‏‎ (1 member)
• Back-to-Back T-Spin setups‏‎ (37 members)
• Betrix files‏‎ (4 members)
• Big Screen Tetris files‏‎ (3 members)
• Blockbox files‏‎ (4 members)
• Blockles files‏‎ (3 members)
• Blockout files‏‎ (1 member)
• Blokus World Tour files‏‎ (1 member)
• Blokus files‏‎ (3 members)
• Bloxeed files‏‎ (5 members)
• Board games‏‎ (6 members)
• Bop It! Tetris files‏‎ (1 member)
• Box artwork‏‎ (82 members)
• Brick Game files‏‎ (1 member)
• Candidates for deletion‏‎ (2 members)
• Cascade techniques‏‎ (3 members)
• Combo Methods‏‎ (0 members)
• Combo openers‏‎ (3 members)
• Combo setups‏‎ (2 members)
• Combo techniques‏‎ (5 members)
• Crazy Tetris files‏‎ (1 member)
• Crystal Cubes files‏‎ (3 members)
• CubeStorm Planets files‏‎ (3 members)
• Cultris II files‏‎ (7 members)
• Cultris files‏‎ (3 members)
• DS games‏‎ (7 members)
• DTET files‏‎ (5 members)
• Diablo Tetris files‏‎ (3 members)
• Diagrams‏‎ (234 members)
• Disambiguation‏‎ (7 members)
• Donation setups‏‎ (2 members)
• Double Triple openers‏‎ (11 members)
• Dr. Luigi files‏‎ (3 members)
• Dr. Mario files‏‎ (3 members)
• Dream of Pixels files‏‎ (3 members)
• DuelTris files‏‎ (3 members)
• Epoch Tetris files‏‎ (3 members)
• Excel Tetris files‏‎ (3 members)
• FA Tetris files‏‎ (3 members)