List these games from shortest to longest?

Bioshock

Mass Effect 2

Oblivion

Shank

Half Life 2

Fallout 3

Fallout New Vegas

Shank

Far Cry 2

Deus Ex Human Revolution

Portal 2

Dead Space 1

Dead Space 2

Batman Arkham Asylum



Please list these games from shortest to longest campaign/singleplayer.List these games from shortest to longest?
Oblivion, Both Fallout's are about the same, Half Life 2, Mass Effect 2, Mass Effect, Dead Space 2, Portal 2 can take a long time if your not good at puzzles.....List these games from shortest to longest?
Well answerer number one is right if u reverse his order. Oblivion is the longest and u wanted the shortest first.