I also bought it and completed it over the weekend - about 3 hours I reckon. Certainly laugh-out-loud funny in a few places. Nicely surreal and funny, and very well animated.
It suggests it's better with a controller, but I played it just with the keyboard, and it was totally fine.
Not sure how well the humour will travel (it's set in a fictional Yorkshire town, I have mostly lived and worked in Yorkshire) - though I'd imagine it travels fine, because Yorkshire humour is obviously best :)
Yes, but some people need an extra special, personal reminder.
"Obviously everyone knows not to shit on the pavement in the middle of the city centre... but just to make sure... Ms Grace Hull, we are specifically asking you not to shit on the pavement in the middle of the city centre"