you're missing out- some MMOs are amazing. I speak from the past though. I used to be a hardcore gamer 10 years ago (I'm a bit older) but I dunno I'm not into all the new MMOs I'm the type that keeps revisiting my favorite games from the past. I liked team fortress back in the day- and counterstrike. Never played DOOM. Tried WoW and wasnt a fan of the level cap. Right now all I do is league of legends and/or DOTA 2. 30min-1hr games and pretty fun; easy to put down.
I'm a bit older myself (early 30's), and I would say that like 1993-2003 was my real gaming prime. I was the perfect age when Wolf3D, Doom, Duke3D, Quake, Diablo 1 and 2 et al came out. Man, the '90s had some great PC games. Not to even mention the great NES and SNES era RPG's.... /nostalgia
and super metroid and stuffs. Snes and nintendo 64 in the 90s was where it was at. And yeah I stopped RPG'ing in like 2005. Got way into Starcraft and Custom maps on wc III too.
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haha.