The VG Resource

Hello, I have opened a thread and asked if there is a way to extract Files without an extension, because these games that I mention are games that I have wanted to extract their sprites, but the problem is that when trying to extract them, when extracting the .jar these do not have an extension, if there is someone in programming or who knows how to open these files, I will try to extract them in another way,If you can help me go ahead, thanks guys

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there is also one more game called pirates of the caribbean in java, but this one uses the same god of war files like RP1 RP2 etc

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here screenshots of the 4 games if there is interest

aside from ccp ,Using Kemulator's memory view, i have extracted some sprites from gow and blood+ (both use same javaground engine) but are not in proper format.