Looking for $60 shipped.
A few have manuals. Most are in good condition, but some are missing the sticker on the side and others have wear on the labels.
All are untested because I do not have a system to test them on.

2600:
Space Invaders
Dodge 'em
Street Racer
Canyon Bomber
Star Raiders
Atlantis
Video Pinball
Millipede
Front Line
Kaboom!
Laser Blast
StarMaster
Skiing
Super Breakout
Combat
Cosmic Ark
No Escape!
Solar Storm
Yars' Revenge
Vanguard
Swordquest Earthworld
Raiders of the Lost Ark
E.T.
Omega Race
Solar Fox
Space War
Bezerk
Missile Command
Sky Diver
Air-Sea Battle
Superman
Casino
Chopper Command
Space Jockey
Towering Inferno
Journey Escape
Capture
Warplock
Ice Hockey
Defender
Pitfall
Warlords
Mountain King
Commando Raid
Asteroids
Venture
Moon Patrol

7800:
Xevious x2
Food Fight
Dig Dug
Choplifter
Joust
Robotron: 2084
Pole Position II