What's your favorite "twist" in games?

[Legend]

So many games end with a twist. So which is your favorite?

Mine would be from Killzone SF

Spoiler for Hidden:

The credits stop after a few names, and then you keep playing the game.<br /><br />Not really a twist, but close enough

[the-pi-guy]

Super Mario Bros.

Spoiler for Hidden:

When the 8th castle is where you ended up fighting Bowser.&nbsp; Didn't see it coming, to be honest.&nbsp;

[Legend]

Super Mario Bros.

Spoiler for Hidden:

When the 8th castle is where you ended up fighting Bowser.  Didn't see it coming, to be honest. 

I expected you to say

Spoiler for Hidden:

when toad says the princess is in another castle.

[the-pi-guy]

I expected you to say

Spoiler for Hidden:

when toad says the princess is in another castle.

That was my second favorite twist. 

[FLGibsonIII]

Infamous or heavy rain

[the-pi-guy]

Infamous or heavy rain

Haven't played Heavy Rain, unfortunately. 
Though that reminds me, I loved the twist in inFamous. 

[Legend]

Infamous or heavy rain

Thought heavy rain had a cool twist.

[FLGibsonIII]

There was also smb 2 where it was all a dream...

[the-pi-guy]

Spoiler for Hidden:

There was also smb 2 where it was all a dream...

Spoiler for Hidden:

Yeah I dreamt it never existed.&nbsp;

[Max King of the Wild]

When Galahad reveals he is hunting werewolves because one ate his baby.

[Dr. Pezus]

Bioshock, Bioshock Infinite, TLoU, Star Wars: KotoR

[the-pi-guy]

Bioshock had a good twist too. 
Still need to finish Bioshock Infinite. 
I don't know if I'd call TLoU a twist. 

[Dr. Pezus]

Bioshock had a good twist too. 
Still need to finish Bioshock Infinite. 
I don't know if I'd call TLoU a twist. 

Well, it's something...

[Dr. Pezus]

Also, CoD4 had a pretty good twist

[Raven]

Infamous had one of my favorite twists.

Spoiler for Hidden:

You find out that the main antagonist is actually you from the future.