You've met with a terrible fate, haven't you?
—The Happy Mask Salesman, after rewinding time to save Link from being obliterated with the rest of Termina in The Legend of Zelda: Majora's Masknote
And so the world drifted towards its fated destruction...
YOU GOT INSANITY.
YOU MUST RESHAPE ONESELF FOR ONCOMING ASPIRANTS.
—Hellsinker, if you time out the Segment 7 boss with one life left, Rex Cavalier
The Stars Say
You fell in a hole.
—Rhythm Heaven Fever, if you fall into a pit in "Night Walk"
"I'm outta here!"
—Sonic the Hedgehog, Sonic CD, if you idle for three minutes
Do you recall my words to you before? "The coming year is a turning point in your destiny...If the mystery goes unsolved, your future may be forever lost." I meant precisely what I said. Defeat in battle is not the only way your journey may come to an end...Please do not forget this.
—Igor, Persona 4
This is roughly one minute into the game and makes for a pretty cool ending that needs to be featured in more Hentai games if you ask me. It's basically you taking the option of "no, I don't want to play this game" and the game apologizes for being so shitty and you're free to leave.
—Zack "Geist" Parsons, while reviewing the H-game "Gloria", on the game's option to Refuse The Call
None are more contemptible than those who defile the way of Bushido. - Kannagisai
But the future refused to change...
—Chrono Trigger, if you lose to Lavos
The Rebel Flagship is within range of the Federation Base. All is lost, they've won.
—FTL: Faster Than Light, if you let the Rebel Flagship reach the Federation Base
Somehow you've died during the introduction training exercise. Feel free to try again but this doesn't bode well for your mission.
—FTL again, if you fail the tutorial