Only game I truly ended up regretting ever purchasing was Condemned: Criminal Origins.
Now, before I get riots on the streets because I said that. The PC Port of the game is abysmal, it doesn't even have proper controller support and it locks itself on very subpar resolutions. I couldn't even mod it myself to fix it because the game was hardcoded at the time. Thankfully, I got my refund for the game on Steam and didn't really bat an eye ever since.