Moreover, does only one person need to buy a way out?
Don't worry though, as the A Way Out offerstheunique ability to invite a buddy who doesn't even own thegame.Yes, you read that right: to play the entire game in co-op,onlyone of you needs to own it.
Beside this, can you play way out single player?
While the answer to can you play A WayOutsingle player is, unfortunately, no, there are someworkaroundsso to speak depending on your level of dedication toplayingby yourself. Your other option is simply findingsomeone toplay alongside you on the couch, but thatisn'treally single player.
The game is splitscreen-only (local andonlinemultiplayer will be supported), meaning you'll need a friendinorder to break out and escape the law. Becauseit'ssplitscreen-only, there's no way to play it onyourown, or using a conventional drop-in, drop-outmatchmakingsystem.