Xentar Code Wheel — Knights Of

(the Western publisher) used these wheels to prevent players from simply copying floppy disks for friends. Without the physical wheel, the game was effectively "locked" past the first few scenes. Knights of Xentar Trivia

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: The wheel typically consisted of two or three concentric circular sheets of cardboard held together by a central rivet.

To understand the necessity of the Knights of Xentar code wheel, one must understand the landscape of 1990s computing. Games were distributed on floppy disks, which were incredibly easy to copy and share among friends. Because developers could not verify ownership via the internet, they relied on "off-disk" copy protection.

To understand the game, one must first know its origins. Knights of Xentar is the North American localization of the Japanese eroge (erotic game) Dragon Knight III (ドラゴンナイトIII), developed by ELF Corporation and originally released for the NEC PC-9801 in 1991. It was part of the popular Dragon Knight series, which, despite having multiple sequels, saw only this third installment officially translated and released outside of Japan.

: Once aligned, a small window or "cut-out" on the wheel would reveal a sequence of letters or numbers. You typed this into the game to prove you owned the physical box and manual. Why It Was Used

Entering that code was your rite of passage. If you lost the wheel, your game was effectively "locked" forever—a physical wall that kept out anyone who had simply copied the disks but didn't have the original box. The Legacy of the Wheel

If you are currently stuck on a specific screen in the game, I can help you find the right path forward. Please let me know:

Today, this process seems archaic, but in the era before widespread internet access, it was a clever deterrent against software piracy. A software pirate would need to copy not just the game's floppy disks but also reproduce the physical code wheel to sell a functional product. The manual for Knights of Xentar explicitly states this: "You need the code wheel to play the diskette version. If your game does not contain a code wheel, return it immediately to the place of purchase". It also added a stern warning: "Take care not to lose or damage the code wheel! Replacements are not free".

If you own a digital scan of the code wheel (available via Internet Archive or fan sites), print it on cardstock, cut out the two circles, and fasten them with a brad. You can now turn the wheel manually, exactly as intended in 1995. This is impractical but satisfying for retro-purists.

When launching Knights of Xentar , the game would pause and display a prompt before allowing access to the main adventure.