Neuromancer Code Wheel

NeuromancerPicPAXNeuromancer also uses a code wheel. When you use the PAX machine (see picture) you are given three access codes and you are asked for a verification code.

Here is an image of the C64 code wheel, which was not purple as shown in some photos.


I bought this game so I could take apart the code wheel and scan them in. So here is the PDF of the top and bottom for Neuromancer codewheel


John Madden Code Wheel

madden1 John Madden Football from Electronic Arts in 1989.






The game used a codewheel for it copy protection. Electronics Art used many different copy protection forms in the 1980s for it’s Commodore 64 games from Error checking to FAT Tracks on 34/35, to Pirateslayer and then to Codewheels and manual look ups.


After the boot screen and you select

Start Game you get this screen that

ask for your Madden Season Ticket


There was already a print out of the codewheel, BUT it’s pretty confusing look at this:  John Madden Football

SO I found a code wheel on Ebay and bought it to scan for my blog, here it is in PDF and PNG. Hope this helps someone. MaddenScan.PDF and


TMNT – code sheet


tmnt-2This game was released by ULTRA games. It was a double disk set with data on the front and back.





tmnt-4After the game loads you get this screen to the left. You have to look up the code on a red code sheet, In this case you had to look up the ‘J29’ to progress in the game.

in PDF format for you to print out.





Chernobyl – manual code

chern-titleI was testing a Chernobyl disk the other day and couldn’t get past the “Station Number Code” because I couldn’t find a manual online anyplace. So I bought a new one so I could open and get the manual.

So here is the manual scanned in.
Chernobyl Manual

I also captured the instructions from the game and combined into two sheets that you can easily print out. So what was the code I needed? BNL104 (that’s it, can you believe that?)
The manual says BNL104-PN, but I found that you do not need the -PN for it to work!
Here’s a video I made on this game: