The Limited Collector's Edition will include the soundtrack on both CD and LP and a Blu-ray with a new documentary, M2: The Complete Works, on the M2 game development team. Our old friend Serrax from Bullet Heaven has made the music for the documentary.
Here's the trailer for the documentary:
Battle Garegga is of course already available in physical form for the PS4 in Asia but it's not english-friendly. Depending on pricing (and i'm guessing it's gonna be mighty pricey) I might skip this even though I'd love that documentary.
