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'Raiden IV: OverKill' is Now Available on Steam!

'Raiden IV: OverKill' is officially released on Steam today.

Those who own 'Raiden III Digital Edition' can receive additional 10% discount on 'Raiden IV: OverKill' for a week after release, adding up to a total of 20% discount, as a special launching promotion.

And special OST with a total of fantastic 27 music and Secret File PDF art-book will be placed in your Steam folder:

Instill fear in your enemies with devastating attacks and earn the acclaimed title of Master Ace!

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Build and release context

Recorded Steam release date:

Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.