It says on xbox store page that it weighs around 28,1 GB so i'm assuming it will be the same for other platforms. #6. Krythic Aug 31, 2018 @ 11:56am. Originally posted by dannyj54147: I doubt it will top 40 gb. Rise was only around 25 gb. Famous last words! The game is a 40gb install. The store page was just updated.