Although you are asking for lowkey ugly graphic gems, I’m gonna go for Vampire Survivors.

There’s that addictive gameplay loop that just keeps me going back

The loathing series is an absolute gem

I have been using it extensively including on Desktop. Overall I am super happy I have a cross platform Lemmy app across different platforms from desktop to mobile.

Drakensang Online. Originally started fine until Bigpoint sold it to the chinese and started doing crazy p2w shit called The Dark Legacy.

That update ruined builds, made veteran accounts look squishy and made long time players disappointed