Totally Twisted is an After Dark 3.0 modules pack comprised of 13 screensaver modules:
After_Dark_-_Totally_Twisted.sit (2.12 MiB / 2.23 MB)
/ compressed w/ Stuffit
TTW320CD.zip (24.16 MiB / 25.33 MB)
Hybrid Win/Mac Disk Image / Zipped
This will not work natively on MacOS9, however the modules can be used with After Dark for OS 9.
Emulating this? It should run fine under: SheepShaver