Violet Procyon | (Spoilers) The Stanley Parable HD - Real Ending (Baby Game) @VioletRaccoon | Uploaded October 2013 | Updated October 2024, 3 hours ago.
From Facepunch: web.archive.org/web/20150308003536/facepunch.com/showthread.php?t=1112800&page=31

If you press the button on the baby game for 4 hours straight, you get to this incredible ending.

Also take note that the additional dog button appears if you press the baby button for an hour (half an hour, maybe?? I've lost count)

I don't know what's going on with the black box on the left hand side of the text, hard to tell if that's placed there deliberately or if it's a bug.

Either way, my finger hurts.

A note to all the commenters saying I used a mouse macro, I didn't. I actually sat at the computer for 4 hours and pushed the buttons. There were one or two points in-between where I paused the game to take a break, but other than that, I think I'm the only one who actually beat the baby game using a legitimate method, the first one too.