Introversion said that Prison Architect was complete and wouldn't be getting more features and a couple months later... more features! It's a prison miracle and what new things did Santa Warden bring us? Prison staff needs!! Just what we always wanted! Well, maybe not for me but it's a really neat feature and also optional which means if you don't want to worry about it in your current or upcoming prisons you won't need to.

"This frosty December, we give you guard needs: no longer can you treat your hard working prison officers as robot gaolers. They're going to need their own toilet and canteen and your staff room is about to get a whole lot busier....

Failure to look after their needs will result in a whole gamut of industrial accident that's going to have a very bad effect on the welfare of your prison.
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http://forums.introversion.co.uk/viewtopic.php?f=17&t=60364