Whoa- Subspace. I remember that. I could never get a good enough ping. I think I played it for about 3 days and got maybe one or two kills and died about 200 times.

Don't play HoN; you're paying 30 dollars for DotA. Seriously. It's an exact copy of Dota, from the map and UI layout to the heroes you use. Exact copy, some of it slightly reskinned. Also, if you die in HoN, ever, at any point, the stupidly hardcore community will blacklist you forever and your team will always leave the second they see you with them.
LoL on the other hand, is casual and somewhat different from DotA. As long as you don't try to get advice on the forums, you should be fine.

also, there's good 'ol Kingdom of Loathing

http://www.kingdomofloathing.com/

BUMP

I Wanna Be The Guy is Free isn't it? Legendary. The self-proclaimed hardest game in the world and I believe it is. There's scores of people ripping their hair out over the game on youtube.

Masjin is pretty fun if you get a big enough game going

Im tracking this ^_^

http://www.urbanterror.info/
Wall jumping, ledge climbing, sliding, bleeding/bandaging, and the perfect weapon system.

urban terror is good fun i tryed i might start playing agian

Bumo (add more gamrs

Check out gun mayhem, you can play it on notdoppler.com it's how I got my wierd name. (My charecter had Pink Skin, a tux, and a trafic cone on my head, why a trafic cone, well I was playing a lot of plants VS zombies at the time, and I liked the conehead zombie the most, for some strange reason. Why pink skin? cause I was playing with a couple of friends, and we chose not to have the same stff, and with the remaining skins, pink looked best, so yeh, and the tux looks cool.)