Seeing that Metal Slug 1 and 2 are showing, it can't be a neogeo.zip problem. I'm guessing, therefore, that you don't have the correct roms for those games. Can't help you with Romcenter, never used it. Here's what you need: Mslug3: 4194304 0eaec17c 256-v3.bin 8388608 4d9be34c 256-c8.bin 8388608 5a79c34e 256-c1.bin 4194304 6097c26b 256-p2.bin 8388608 6e69d36f 256-c3.bin 8388608 7aacab47 256-c5.bin 4194304 7e2a10bd 256-v2.bin 8388608 944c362c 256-c2.bin 4194304 9b4b22d4 256-v4.bin 262144 9cd55736 256-sma.bin 4194304 b07edfd5 256-p1.bin 8388608 b755b4eb 256-c4.bin 8388608 c698fd5d 256-c6.bin 8388608 cfceddd2 256-c7.bin 524288 eaeec116 256-m1.bin 4194304 f2690241 256-v1.bin Mslug4: 8388608 01e9b9cd 263-v1.bin 65536 0c4c42f8 263-m1_decrypted.bin 8388608 1a343323 263-c3.bin 1048576 27e4def3 263-p1.bin 65536 38ffad14 263-m1.bin 8388608 4ab2bf81 263-v2.bin 8388608 5c8ba116 263-c6.bin 8388608 81df97f2 263-c2.bin 8388608 84865f8a 263-c1.bin 8388608 942cfb44 263-c4.bin 8388608 a748854f 263-c5.bin 4194304 fdb7aed8 263-p2.bin Mslug5: 8388608 010a831b 268-c6c.bin 8388608 3560881b 268-c2c.bin 8388608 3af955ea 268-c3c.bin 65536 3c0655a7 268-m1_decrypted.bin 8388608 551d720e 268-c8c.bin 65536 58b107d0 268-m1.bin 8388608 6d72a969 268-c7c.bin 8388608 959c8177 268-c5c.bin 8388608 ab7c389a 268-c1c.bin 8388608 ae31d60c 268-v1c.bin 8388608 c329c373 268-c4c.bin 8388608 c40613ed 268-v2c.bin 4194304 d0466792 268-p1cr.bin 4194304 fbf6b61e 268-p2cr.bin
