I really need to get back to playing Forza 2. it's been far too long since I've booted that game up, and there's a TON of stuff I still need to do.
Little Big Planet, Madworld, Deadly Creates (just got the latter two for my birthday).
It's a heck of a lot less daunting now that Burnout is out of way. It's hard playing two huge games at once! 
 (FIfa + Burnout).
Out of DC and Madworld which is shorter, GG? Including going back for unlockables. I usually go through shorter games first.

Go to my collection link. Look at the Wii, PS3 and 360 sections. That's my backlog. Plus about 20-40 PS2 games.
http://spreadsheets.google.com/ccc?key=py3oJfqmDAvCfC-EFvdYCJA
It's sad.

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Tell me to get back to rewriting this site so it's not horrible on mobileI have been pretty damn good with this current gen:
Wii:
Boom Blox
PS3:
Burnout Paradise
Wipeout HD
Lumines
Puzzle Quest
DS:
FFIII
PS2:
FFXII
Jak 3
Socom 1 and 2
Phantasy Star Universe
Chaos Legion
Rise of the Kasai
GC:
Baten Kaitos Origins
Xbox:
X-Men Legends 2
Mortal Kombat Deception
Morrowind
PC:
World of Goo
DC:
Skies of Arcadia
Jet Grind Radio
Grandia 2
Virtual Console/PSN/Old:
Super Mario RPG
Landstalker
Donkey Kong Country
Tons of Genesis collection games
FFV
Castlevania (N64)
Dragon Quest 3 (GBA)
I also have 5 360 games, but I can't play them so I dont consider them backlog.
Foolz said:Out of DC and Madworld which is shorter, GG? Including going back for unlockables. I usually go through shorter games first.
Don't know cause Deadly Creatures is on my backlog.
I have:
- Okami
 - Mass Effect
 - The Darkness
 - Stranglehold
 - Deadly Creatures
 
there are others but I can't remember.

- P.N.03
 - Super Mario Sunshine
 - RE:Make
 - Baten Kaitos
 - Fire Emblem: Path of Radiance
 - Fire Emblem: Radiant Dawn
 - Super Mario Galaxy
 - Resident Evil 4
 - Trauma Center Second Opinion
 - DeBlob
 - TR Anniversary
 - Endless Ocean
 - Elebits
 - Valkyria Chronicles
 - Little Big Planet
 - Siren: Blood Curse
 - Condemned
 - Lost Odyssey
 - Tales of Vesperia
 - Eternal Sonata
 - Kameo
 - Perfect Dark Zero
 - Dead Space
 - Fallout 3
 - Ninety Nine Nights
 - Oblivion/Shivering Isles
 - Half Life 2 Ep. 1 and 2
 - GTA4: The Lost and Damned
 - Vampire: The Masquerade
 - The Longest Journey
 - Dawn of War + Expansions
 - Age of Mythology + The Titans
 - Elite Beat Agents
 - MegaMan 9
 - World of Goo
 - Castlevania 3
 - N+
 - Braid
 - Puzzle Quest
 







In no particular order...
-Medal of Honor: European Assault (GCN)
-Odama (GCN)
-Sniper Elite (PC)
-No One Lives Forever 2 (PC)
-Star Ocean: Till the End of Time (PS2)
-The Godfather (PS2)
-Xenosaga Episode I: Der Ville der Macht (PS2)
-Rogue Galaxy (PS2)
-Chronicles of Riddick (Xbox)
-Fable (Xbox)
-Fuzion Frenzy (Xbox)
-De Blob (Wii - started, haven't gotten back to)
-Elebits (Wii)
-Fire Emblem: Path of Radiance (Wii)
-Metroid Prime 3: Corruption (Wii - 1/3 through, stopped)
-Final Fantasy III (DS)
-The World Ends With You (DS)
I probably missed one or two. Not including currently "playing"
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Tell me to get back to rewriting this site so it's not horrible on mobile