Because of their shape they are hard to scan.
Game Boy Color and Advance cartridges can't be easily applied on the scan glass.
Therefore, scans are blured. Some scanners allow good scans, so make your own tests to check if your scanner is good.
Here are the works in progress by our members. If you would like to help, please report it on any download pages:
Some files need a retouch, or a new scan. Here are the most priority requests:
Sometimes, it can happend that files get some errors, or mistakes. Here are your reports: