Some video games just never existed. And some of these had yeti...
Appeared in concept art for Resident Evil Revelations:
Appeared in concept art for Disney Infinity:
Scott Drummond's game:
Sasquatch and Yeti Rivals:
The Yetee, a fake video game:
Custom yeti skin for Team Fortress 2
And my personal favorite, I saw this yeti for Clash of Clans (2012), which got me excited since it's a hugely popular MMO strategy mobile game - a sort of multiplayer Civilization. Many got excited, too, but it turns out it's a hoax.
Rocky Davies is responsible.
There's even some fan art!