Vigi, these are my findings with Hexen II, I was able to get all your tracks, but the offset was weird on every track, I dumped the disc on single bin file using the plextor drive (+30 drive offset) using ISOBuster, the used the track method using a starting position for the first audio track the size of the american version first data track, this is my script
psxt001z --track "HexenII.bin" 188910288 33313728 05f0680d + s "Hexen II (E) (Track 02).bin"
psxt001z --track "HexenII.bin" 222224016 32953872 76b661be + s "Hexen II (E) (Track 03).bin"
psxt001z --track "HexenII.bin" 255177888 32662224 02fdee8d + s "Hexen II (E) (Track 04).bin"
psxt001z --track "HexenII.bin" 287840112 32986800 d093b474 + s "Hexen II (E) (Track 05).bin"
psxt001z --track "HexenII.bin" 320826912 31904880 2697ac40 + s "Hexen II (E) (Track 06).bin"
psxt001z --track "HexenII.bin" 352731792 34226304 2a8801ba + s "Hexen II (E) (Track 07).bin"
psxt001z --track "HexenII.bin" 386958096 32833920 554bdc16 + s "Hexen II (E) (Track 08).bin"
psxt001z --track "HexenII.bin" 419792016 32297664 952aa595 + s "Hexen II (E) (Track 09).bin"
psxt001z --track "HexenII.bin" 452089680 34132224 60b124d2 + s "Hexen II (E) (Track 10).bin"
psxt001z --track "HexenII.bin" 486221904 32895072 8c5a0fcf + s "Hexen II (E) (Track 11).bin"
psxt001z --track "HexenII.bin" 519116976 33744144 172e836a + s "Hexen II (E) (Track 12).bin"
psxt001z --track "HexenII.bin" 552861120 34955424 430ce67e + s "Hexen II (E) (Track 13).bin"
psxt001z --track "HexenII.bin" 587816544 32925648 140e863e + s "Hexen II (E) (Track 14).bin"
psxt001z --track "HexenII.bin" 620742192 32888016 a9c6dbe2 + s "Hexen II (E) (Track 15).bin"
psxt001z --track "HexenII.bin" 653630208 31342752 10644e18 + s "Hexen II (E) (Track 16).bin"
psxt001z --track "HexenII.bin" 684972960 32819808 b79890d2 + s "Hexen II (E) (Track 17).bin"
and here are the results, all the track were found, but the offset correction didn't stay constant, it shifted between track
Track 02 Offset correction: 5832 bytes / 1458 samples
Track 03 Offset correction: 5832 bytes / 1458 samples
Track 04 Offset correction: 5836 bytes / 1459 samples
Track 05 Offset correction: 5824 bytes / 1456 samples
Track 06 Offset correction: 5824 bytes / 1456 samples
Track 07 Offset correction: 5820 bytes / 1455 samples
Track 08 Offset correction: 5820 bytes / 1455 samples
Track 09 Offset correction: 5808 bytes / 1452 samples
Track 10 Offset correction: 5844 bytes / 1461 samples
Track 11 Offset correction: 5852 bytes / 1463 samples
Track 12 Offset correction: 5844 bytes / 1461 samples
Track 13 Offset correction: 5816 bytes / 1454 samples
Track 14 Offset correction: 5828 bytes / 1457 samples
Track 15 Offset correction: 5860 bytes / 1465 samples
Track 16 Offset correction: 5820 bytes / 1455 samples
Track 17 Offset correction: 5820 bytes / 1455 samples
Also, when I examined the bin files, I noticed that some tracks begin earlier in your dump and other got portions of the previous track at the beginning of the dump, look this example of your Track 04, the audio start in the position 0x53C
In my dump the audio start at position 0x0 on all audio track with 0 seconds pregap, and all the track ends with zeros, look in the dump of your Track 05 the audio start at position 0x548, and the track has portions of the previous track, at least compared to my dump.
Also, I included sample tracks of my dump for you to get a better idea of what I'm talking about.
I don't why IdSoftware or Activition mastered this disk like this... it's weird...