Duel Disk

Yu-Gi-Oh!

• Duel Disk 1- The 'prototype' was sort of like a top with a string.
• Duel Disk 2- The first offical Duel Disk that was used in Battle City.
• Chaos Duel Disk- Another version used by the villans in the "Waking the Dragons" arc.

Yu-Gi-Oh! GX

• Academy Duel Disk- A Duel Disk used by the students of Duel Academy.
• Academy Duel Disk- Another version of the Academy disk with a blade on the edge.
• Doctor Crowler's Disk- One of the biggest Duel Disks in Yu-Gi-Oh GX.
• Jean Louis Bonaparte's Disk- One of the biggest Duel Disks in Yu-Gi-Oh GX.
• Marcel's Disk - An Academy Duel Disk shaped like a bat wing, (only when in Yubel's control).
• Axel Brodie's Disk - an Academy Duel Disk shaped like a gun.
• Jim Crocodile Cook's Disk - an Academy Duel Disk shaped like a boomerang.
• Adrian Gecko's Disk

Shadow Riders

• Camula's Disk - It is shaped like a vampire bat.
• Titan's Disk
• Tanya's Disk
• Amnael's Disk - a black coloured version of the Academy Duel Disk.

Others

• Fight Disk- A white Duel disk. Instead of slots, it had a whole other section.