I noticed Raiden V Directors Cut w/ Sound track - Playstation 4 is $25.85 on amazon:
Raiden V - PLaystation 4 on Amazon.com (https://www.amazon.com/Raiden-Directors-Limited-Original-Soundtrack-PlayStation/dp/B0714JC17Z/ref=sr_1_1?ie=UTF8&qid=1519747040&sr=8-1&keywords=raiden+v)
Just a heads up before the price changes :D