: The North American version, also released in 2012.
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]
: The European and Australian version, published by Rising Star Games in 2012. : The North American version, also released in 2012
: The original Japanese release, often titled Akai Katana Shin (the "Shin" refers to the upgraded home console version). Modern Releases (Region-Free) : The North American version
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