: Physical editions are available from retailers like Limited Run Games .
: The European and Australian version, published by Rising Star Games in 2012. Akai Katana [PAL][NTSC-U][NTSC-J][ISO]
: The North American version, also released in 2012. : Physical editions are available from retailers like
is a side-scrolling "bullet hell" shoot 'em up (shmup) developed by CAVE . Your text refers to the different regional releases and the file format (ISO) often used for emulation or disc backups. Regional Versions Akai Katana [PAL][NTSC-U][NTSC-J][ISO]