Patches

Official Outcast Patches
Outcast - Patch 1 | 1,3 MB
Outcast - Patch 2 | 8,3 MB
Outcast - Patch 3 | 11,4 MB
Outcast - DVD Patch | 18 KB

Unofficial Outcast Patches
Outcast - Patch 4 | 30 KB
Note: Thanks to terence_13 for making this patch.
It should fix the "mud and twon-ha bugs" on newer PC systems.
For more information regarding this patch please read this.