I used to have the Intellivision back in the day I never played any roms for it.
Some decent games which were really something back then:
Deadly Disks of Tron
There was a He-man game for it, I'll bet it's pretty crap but I'd still like to try it just because I could.
This was a 1984-1986 machine IIRC
I used to play Atari back before that but I don't remember much just that 2 player VS Airplane game and pong.
Everything since the NES I emulated and esp MAME games, I haven't played a console in 2/3 years maybe even bought budget PS1 games so I could play them on my PC.
Oh yeah and saturn but only because I couldn't be bothered with getting the emu working probably not ghettoware friendly anyway.
Also those little Nintendo hand helds like Donkey Kong Junior and erm I forgot the otherone? Something with a little guy and bases and Maybe the TMNT Konami hand held.
Play Gain Ground.