These were all purchased from a local video game rental store, so they have the usual markings on them from that. A lot of them can be cleaned up pretty well. Let me know if you would like to know what a specific game looks like. Here is the list with rarity scale from the online DP guide:
NES games:
Fisher Price Firehouse Rescue (R5)
Top Gun (R1)
Mappy-Land (R3)
Rollerball (R3)
Ferrari Grand Prix Challenge (R5)
Cowboy Kid (R6)
M.C. Kids (R3)
Monster Truck Rally (R5)
Side Pocket (R4)
Marble Madness (R2)
Hatris (R6)
Tom & Jerry (R3)
Monopoly (R3)
Double Dare (R4)
Duck Tales (R2)
Qix (R7)
Sega Genesis:
Saturday Night Slam Masters (R3)
Beyond Oasis (R4)
Rambo III (R2)
Battletoads (R4)
Mutant League Football (R3)
Mutant League Hockey (R4)
General Chaos (R4)
Captain America and the Avengers (R3)
I am open to all offers. I would like to trade a group of these games for some type of new system that I have not got yet. So, please tell me what you have or show me a tradelist and I'll let you know what I'm interested in. Thanks for your time!!