10 Times Video Games Made You Feel Bad (For No Good Reason)
6. Incinerating The Companion Cube - Portal
Look, nobody is saying that you should have built a bond with the Companion Cube, because it is by all means just a cube with no thoughts or feelings of your own.
But you don't exactly have a lot of pals in the course of Portal, and so it's easy to form a softness towards the one thing that isn't trying to kill you along the way - especially since the cube is useful in puzzles.
So it's more than a little heartbreaking when you discover that, in order to progress through the game, you have to place your little cuboid buddy in an incinerator and burn it to a crisp.
As if your own surprising emotional turmoil wasn't pain enough, you're then also ribbed about it continually by GLaDOS. Sure, she's been ribbing you about everything the entire time you've been playing, but these jabs imply you somehow should feel guilty about what you did - even though you didn't really have an alternative aside from starving to death there.
You'll almost definitely feel bad when you see the cube go, but guilt isn't really on the menu when you would have done anything but stop playing the game to save the inanimate object.