What's your favorite game series, and what's your favorite from each of them?

[Fettman501]

I grew up with the PS2, so a lot of my favorite series are on the various Playstation platforms.
SOCOM: US Navy SEALs (Fireteam Bravo 2/3)
Jak (can't pick a favorite)
Ace Combat (Zero: The Belkan War)
Battlefield (Bad Company)
Gran Turismo (3: A Spec)
Pokemon (FireRed/LeafGreen)
Portal (2)
Star Wars (Republic Commando)
Touhou (7: Perfect Cherry Blossom)
Halo (2)

[Tenko]

Apart from Touhou?
Er... Pokemon Yellow/FireRed/Diamond (I did enjoy DNS abuse on Diamond :3)
SimCity (4)
Fate (1st one)
Empire at War (Non-expansion-pack)

[Katrix]

Kingdom Hearts(2)
Ratchet and Clank(3)
Sonic(Generations)
Pokemon(SoulSilver)

[Shiteyanyo1]

Oh god. Lots to choose from here. (Just to name a few..?)
Sonic(Hard to choose, Adventure 2 and/or Generations.)
Pokemon(FireRed/Red and/or Pearl)
Kingdom Hearts(1&2)
Legend of Zelda(Wind Waker and/or OOT)
Touhou(8)
Sims(All of them honestly)
Super Mario(Can't choose, 64, bros, world and sunshine to name a few favorites.)
Harvest Moon(AWL & AP)
Animal Crossing(City Folk)

[Reisyukaku]

Pokemon (FR/LG)
Miku Project Diva (ƒ) [PSVita]

..Thats about it.

[Kristia]

hm.. aside from touhou (9)

Ace combat (5)
super smash bros (the very first one)
legend of Zelda (Twilight Princess)
Metroid (Zero mission)

[S121]

Halo (4)
Metroid (Prime 1,2,3)
Legend of Zelda (Ocarina Of Time & Twilight Princess)
Dead Space (1,2,3)
Elder Scrolls (Morrowind & Skyrim)
Minecraft (Need I say more?)
Touhou (always changes)

[Remilia Scarlet]

Aside from the two obvious picks,

Final Fantasy (2/5/7/12)
Spyro (Enter The Dragon)
R-Type (Delta)
Pokemon (Sapphire/Yellow)
Battlefield (3)

Probably a few I'm forgetting.

[Andrax17]

um, hum mmmm
I dont play too many different games, soooooo

Guild Wars (Prophecies, Factions, Nightfall, Eye of the North, 2)
Dragon Age: Origins

hard to pick any games since the only game ive really spent any time with is Guild Wars 2

[MegaMooseJam]

Legend of Zelda (A Link to the Past, Majora's Mask)
Shin Megami Tensei (Persona 3, Devil Survivor)
Golden Sun (GBA Pair)
Final Fantasy (6)
Castlevania (Aria of Sorrow)

ADD:
Etrian Odyssey (Heroes of Lagaard)

[Redleaf64]

Pokemon (pretty much every game)
Super Mario (Paper mario series is fun, and Super Mario Sunshine was my childhood)
Kirby (Return to Dreamland and 20th anniversary Dream Collection)
Minecraft
Touhou (All the games, but the fighting games are fun)
Super Smash Bros. (All 3)
Animal Crossing (city folk)
If you can't tell, the only consoles I play are Nintendo.

[NeoFox]

MegaMan X (MegaMan X5 which was SUPPOSED to be the last game of the MegaMan X series, but Capcom wanted to make more games and did so. I also like MegaMan X8 a lot even though the events of that game aren't considered canon by some of the fans)

Sonic The Hedgehog (Sonic the Hedgehog 3, Sonic Unleashed, and Sonic Generations.)

Touhou (Embodiment of the Scarlet devil, and Imperishable Night.)

[wonderweiss]

Infinity blade (1)
Naruto (clash of ninja revolution 2, ultimate ninja 3, ultimate ninja heroes 2)
Metal gear solid (2,3,4, peace walker, portable ops, portable ops +)

[dorky]

Yume Nikki (like a lot of the fangames as well)
The Elder Scrolls (Skyrim)
Fallout (Fallout: New Vegas)
L.A. Noire
Kingdom Hearts (2)
Professor Layton (Can't choose a favorite)
Animal Crossing (I really like them all ;u
Harvest Moon (AWL: Special Edition and Tree of Tranquility)
Spyro (Firts three games)
LittleBigPlanet (Both)
Jak and Daxter (1)
Pokemon (Don't really have a favorite)
Assassin's Creed (1 and 2)

There's probably more I'm forgetting. But yeah, I like a lot of games.

[Madvicius]

Ib
Atelier Iris 1,2,3
Atelier Rorona
Atelier Meruru
Atelier Totori
Ar tonelico: Melody of Elemia ( Sekai no owari de utai tsuzujeru shôjo )
Ar tonelico II: Melody of Metafalica ( Sekai ni hibiku shôjotachi no metafalica )
Ar tonelico III: Sekai shûen no hikigane wa shôjo no uta ga hiku
Zelda ( all except Zelda II )
Metal Gears series
Castlevania
Umineko no naku koro ni
Higurashi no naku koro ni
Higanbana no Saku Yoru ni
Final Fantasy 9 and 6
Mugen Souls
Tales of Phantasia
Seiken densetsu series
Sky Blazer
Hyperdimension neptunia
Gauntlet series
Bayonetta
Nier

I might have forgotten a lot of my favourite games as I've got so many.
But my top favourite is Ar Tonelico and after it's Umineko.