I build a library and staff it via prison labor with a handful of unfortunate souls, then place bookshelves throughout my prison. I know I see prisoners sitting in the canteen or their cells reading books, but I haven't camped a bookshelf to see if they actually go up to it to get a book. After the ...

When buying game keys from G2A you need to make sure the title says "Steam Key" in order to get a key for Steam.

PC version has escape mode... it is under the "Extras" menu! You can use your own prisons or download some from the Steam workshop.

Yes dismantle the toilets in the area to uncover tunnels.

You could also do a Roll Call during sleep hours and look around the cells for any prisoners who are not standing up. If they are still "sleeping", try to prioritize those toilets!

I have never used the towers inside - I will have to check that out.

Are your snipers armed with rifles? If not, they will not be able to shoot anyone!

And if you want them to freely shoot prisoners (instead of warning shots), Freefire should be turned on.