Game with the longest title

Fortix.

Penny Arcade's On the Rain-Slick Precipice of Darkness

:P

That Hamlet game >.>

AaaaaAAaaaAAAaaAAAAaAAAAA!!! - A Reckless Disregard for Gravity

Strong Bad's Cool Game for Attractive People Episode 5: 8-bit is Enough

The Lord of the Rings: The Battle for Middle-earth II -- The Rise of the Witch-king

Tohoku Daigaku Karei Igaku Kenkyuusho – Kawashima Ryuuta Kyouju Kanshuu – Mono Sugoku Nou o Kitaeru 5-Funkan no Oni Training or Brain training in english, for nintendo DS

The Lord of the Rings, The Battle for Middle-earth II, The Rise of the Witch-King

BIT.TRIP Presents... Runner2: Future Legend of Rhythm Alien

Cthulhu Saves the World: Super Hyper Enhanced Championship Edition Alpha Diamond DX Plus Alpha FES HD – Premium Enhanced Game of the Year Collector’s Edition (without Avatars!)

Edit: Ninja'd by Skywocker

Edit 2: Ha! Ninja'd someone else!

Cthulhu Saves the World: Super Hyper Enhanced Championship Edition Alpha Diamond DX Plus Alpha FES HD – Premium Enhanced Game of the Year Collector’s Edition (without Avatars!)

Hamlet or the Last Game without MMORPG Features, Shaders and Product Placement

Half-Minute Hero : Super Mega Neo Climax Ultimate Boy

Bababadalgharaghtakamminarronnkonnbronntonnerronn tuonnthunntrovarrhounawns kawntoohoohoordenenthurnuk

D

Super Press Space To Win Action RPG 2009

Dudebro: My Shit Is Fucked Up So I Got to Shoot/Slice You II: It's Straight-Up Dawg Time

Naruto Shippuuden Ultimate Ninja Storm 3 Full Burst XD

The Lord of the Rings: Battle for Middle-Earth 2 - Rise of the Witchking.

Adventure Time: Hey Ice King! Why'd you steal our garbage?!! (Nintendo 3DS)

1.2.3 kick it, first game name found on steam

Super Street Fighter II Turbo HD Remix

Amaane Makai Princess Eris wa Eroicha Haramizuma! Suki na Dake Dashite Zenbu Shikyuu de Nonde Ageru

The Longest Journey ;)

"Time Gentlemen, Please! and Ben There, Dan That! Special Edition Double Pack" has also very long title