This application can view 3d .bsp maps in real time. BSP Viewer is a utility designed for mappers for previewing Half-Life 1 .bsp files and technical information about how they are being rendered. This is meant to help mappers find problem areas in their BSP files that need to be optimized.

BSP Viewer has been superseded by Crafty, my new Half-Life 1 and Half-Life 2 .bsp, .gl, .map, .mdl, .rmf and .vmf viewer.

Portable BSP Viewer Features:
1. Optional rendering of textures, lighting, entities, special textures, transparent textures and sorting.
2. Edge viewing and clipping.
3. Optional use of VIS, frustum and backface culling.
4. Scene freezing.
5. Optional rendering of entities in special render modes.
6. Real time entity editing.
7. Entity picking.
8. GCF loading.
9. PTS loading.
10. Exports .3ds, .map, .xsi, .ent and .bmp files.
11. Scene information viewing.
12. Supports .bsp files without VIS or RAD information
13. Recent .bsp file menu.
14. Quick and easy setup.
15. 100% Free.

The license of this software is Freeware, you can free download and free use this image viewer software.