Today on PlayStation.Blog, Pete Brolly (from Deep Silver) announced the benefits of getting the PlayStation versions of Mighty No. 9, including PlayStaion Cross-Buy, Pre-Order offer, and info about the Signature Edition.
First, the game wil support Cros-Buy, letting people who purchase either the digital or the retail version of the game to be played in PS3, PS4 and PS Vita.
Second, gamers who get to buy the PS4 retail version will get the Ray DLC, which includes: access to the Abandonde Lab stage, a boss battle against Ray, and the option to play as Ray, a double-sided poster, and “The Art of Mighty No. 9″ art booklet.
Third, the ones who pre-order the game will get a Retro Hero DLC, which lets players: play as a 8-bit-looking version of Beck, play the Retro Hero Mode, and get access to a very difficult mode.
Fourth, perhaps the coolest of the bunch, is the Signature Edition, which comes with the PS4 Launch Edition and a 6.5” figurine with exchangeable face plates, priced at US$59.99.
PlayStation fans will sure enjoy the benefits of getting Mighty No. 9.



[Source]: PlayStation.Blog: Mighty No. 9: Retail Details, Cross-Buy, Pre-order for Retro Hero Mode.