http://redump.org/disc/25040/ and http://redump.org/disc/33798/
http://redump.org/disc/27267/ and http://redump.org/disc/32300/ and http://redump.org/disc/33799/
http://redump.org/disc/25039/ and http://redump.org/disc/32299/
http://redump.org/disc/23569/ and http://redump.org/disc/29403/
It's not allowed to add the same disc twice or, even, 3 times. I agree, that it's a database's fault not to be able to assign multiple systems to 1 entry, but it's not the reason to flood it with multiple entries containing the same dump. You're only allowed to add 1 disc once, the rest should go into the comments.
I've noticed the barcodes are different - are the releases themselves different (different boxes, CDs, but the dumps match)?
http://redump.org/disc/33798/ -- barcode is incorrect? http://www.suruga-ya.jp/kaitori_detail/127000132 says the last digits are 08, not 88.
Which system do you think is "main" for the above-mentioned titles (so I could remove the rest)?