I just thought of another game from the snes that I felt was under-appreciated partly because of its difficulty.
That game would be:
Desert Strike: Return To The Gulf
This game was actually rented for me by my dad during the christmas holidays when I was 14 years old. My dad was the only parent that was interested in watching me play video games. He use to get sick and tired of me beating snes games so easily, so he asked his friend at the local video game store for a snes game that was very challenging and he got me this one to play for a week over christmas. It still remains one of the toughest snes games I've ever played. I would absolutely love to play this game again. I could only get to the third mission and would get killed every time. I've never played any of the other games in the strike series but this was always a pleasant game to play because I felt it had a good amount of challenge to it and I haven't come across too many people that have actually played it.
Some of the enemies can kill you fairly quickly. You can easily run out of ammo if your not too careful. You have to watch your fuel level as well. There was always a fixed amount of fuel and ammo crates you could obtain per mission so you would have to manage your supplies carefully. A great game and something everybody should play. Who knows I might have been the only person having difficulty playing it.

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I remember that game if anything for getting in trouble for blowing apart one's base, or any important landmarks.
Bubsy I and II come to mind. They were popular enough to have sequels but were forgotten thanks to the last Bubsy.
There was a Tiny Toons Game in which you could have up to four players playing all sorts of games. No one had heard about it, but it was fun. I really wish I could remember it's name though.
WCW Superbrawl was also excellent... No, I'm kidding, it was horrible. So horrible that I remember it.
Jam it back in, in the dark.