How can I rip RKS freudenstachel?

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how can I rip Rosenkruzestilette freudenstachel?
I need some tiles and sprites from this game.
there's .DAT files in graphic folder, but I can't open it.

[Previous]

Well DAT files contain DATA, the specific type of data is not defined by the file extension. You might want to check the files with a hex editor and see if the file header (first few bytes of a file, hopefully ASCII coded characters) contains any information on the contained data.

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here is the
Rosenkreuzstilette freudenstachel.
http://www.mof-mof.sakura.ne.jp/trial/rk...l_007a.zip

I Wanna rip like this.
http://spriters-resource.com/pc_computer/rks/

[Random Talking Bush]

I suppose I'll get to that later, though I'd rather wait until the full game's (eventually) out.