Darkstalkers Chronicle: The Chaos Tower Cheats

In Arcade choose 'Vampire' and select
'Vampire' with the characters that have available endings. Once all are
complete the intro will be available.

Successfully complete the game with a 100% to unlock the introduction sequences from the arcade games and pictures in the "Art Gallery".

Go to arcade for all of these cheats.
If you want to play as Marionette just highlight the ''?'' and press start 7 times then press punch or kick.
If you want to play as Oboro Bishamon hold start on Bishamon in any mode.
If you want to play as Shadow just press start 5 times in arcade mode.