And as a sort of counterexample: Unfinished Swan. It's totally worth playing for the first few levels, but gets steadily less polished and less fun as it goes a

And as a sort of counterexample: Unfinished Swan. It's totally worth playing for the first few levels, but gets steadily less polished and less fun as it goes along. Superliminal was also really good right until the very last bit where it got preachy.