Dungeons & Dragons is the big brand that everyone recognizes, but there are dozens and dozens of other table top role-playing games out there. Here is just a small sampling of fantasy and science fiction games that you might also enjoy.
Shoot! I totally forgot to mention Numenera which is also Kickstarting a source book for 5th Edition, to add some science-fantasy to your D&D!
00:00 Introduction - 45 Years of Dungeons & Dragons
02:15 The One Ring / Adventures in Middle Earth
07:20 Castles & Crusades
09:30 Other Old School Revival Games
Swords & Wizardry
12:00 13th Age
I didn't spend enough time on 13th Age - Backgrounds and ICONS are awesome.
13:00 Tunnels & Trolls
14:20 Lone Wolf Adventure Game
20:20 Dungeon Crawl Classics
22:30 Mutant Crawl Classics
29:00 Mouse Guard
31:30 Savage Worlds
33:40 GURPS Dungeon Fantasy
36:15 The Expanse
40:40 Deadlands, Metamorphosis Alpha, Dragon Age, Fantasy Age, Dungeon World, Apocalypse World, Shadow of the Demon Lord, Warhammer Fantasy Roleplaying, Dr Who