| Filename | Description |
|---|---|
| umb.dll | User Mode Bus Driver Interface Dll |
| umbra.dll | Umbra Runtime Library (DLL) |
| umbra32.dll | Umbra Occlusion Booster Runtime Library (DLL) |
| umbraob32.dll | Umbra Occlusion Booster Runtime Library (DLL) |
| umbraoptimizer32.dll | umbraoptimizer32.dll |
| umbraoptimizer64.dll | umbraoptimizer64.dll |
| umbrapvs32.dll | umbrapvs32.dll |
| vcb.dll | vcb.dll |