https://atariage.com/2600/faq/?SystemID=2600https://atariage.com/2600/faq/?SystemID=2600
Open Sesame (PAL game) Berzerk: Voice Enhanced (hacked version of Berzerk) Q: What 2600 carts do not work on the 7800? A: There are known incompatibilities with some NTSC versions
That's everything I could find.
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