Singularity. All the endings were stupid, in my own opinion. Not to mention the HUGE plot hole that's noticiable in the beginning:
Seriously. The whole game fixing the mistake you HAD to make. You didn't even have to but the game MADE you.
Game, if you're going to shove plot devices down my throat at least buy me dinner first.
"Hey, I shouldn't save this guy. He's an ass. What makes him more special than any other russian here? Plot device, you say? No thank you. I HAVE to save him, you say? His statue takes the place of Stalin's statue after I save him, you say? Fuck me. And we're only 15 minutes in.
Game, if you're going to shove plot devices down my throat at least buy me dinner first.