Hmm... I guess the games are either:
1. retro games that are good, but "Nintendo Hard" or
2. games we shouldn't like but are drawn to them out of addiction, or something?
Out of Category 1, I'm a big fan of Gradius games, especially Gradius Rebirth, but it totally kicks my ass sometimes! I'm like NOH!
I recently finished Super Mario 3D Land and, while the game is easy if you're just parkouring through the stages, if you're trying to get the Special Coins and such, you will get frustrated. I have screamed at the DS Like "NO YOU ASSHOLE!" more than a few times.
I don't think I've got one for Category 2, though the Pokémon games come pretty close. Every time a new one comes out, the rational part of me is like "Oh no, not another one. C'mon Jorge, you know it's just a collecting fest, and you already 'nearly' have 'em all..." but then I'm like "BUT I MUST ADVENTURE IN A NEW WORLD AND BE THE VERY BEST LIKE NO ONE EVER WAS!"....aaaaaaand that's all she wrote.