Unlike many modern games that focus on "leveling up" or competitive play, Kasumi Rebirth

: This version continues the tradition of giving players control over Kasumi’s look, from her classic blue shinobi attire to various modern and alternative outfits inspired by her appearances across the DOA and Ninja Gaiden franchises.

Since the official websites have long been offline, you will need to search user-driven sites. When searching, you might come across various file hosting links, such as those from MediaFire and 4shared . However, be aware of the high risks involved.