What are the best pencil-and-paper games out there for roleplayers? What are some of the best games from the past that you've played?

There was a poll done recently throughout the RPG Bloggers Network. In general, you have a lot of old-school gamers there so this list may be a little biased towards older games. However, it is a solid list regarding the best pen-and-paper roleplaying games ever made.

1 - Basic/Original D&D

2 - Call of Cthulhu

3 - Advanced Dungeons & Dragons, 1st Edition

4 - Traveller (Classic)

5 - Star Wars (West End Games/d6)

6 - Dungeons & Dragons 3.0/3.5

7 - GURPS 3e

8 - Tunnels & Trolls

9 - Champions

10 - RuneQuest (majority of 85% favored 2nd Edition)

11 - Vampire: the Masquerade

12 - Advanced Dungeons & Dragons, 2nd Edition

13 - Gamma World (1st/2nd Editions)

14 - Shadowrun 3e

15 - Pendragon (Chaosium editions)

16 - Warhammer Fantasy Role Playing 1st Edition

17 - Marvel Super Heroes (FASERIP)

18 - Savage Worlds

19 - Dungeons & Dragons 4th Edition

20 - Amber

21 - Rifts

22 - Hackmaster

23 - Middle-earth Role Playing (MERP)

24 - Star Frontiers

25 - Risus

My personal list differed slightly. In my own Top 25 I included only games that I had played before. Although my list is different than this one, I fully agree with many of the choices on this it.