When you see "exclusive" attached to these compressed builds, it often refers to custom modifications made by the emulation community. These can include:
If playing on an emulator, mapping the "clutter" and "grab" commands to a modern controller’s triggers makes the combat feel even more fluid than it did in 1979. Final Verdict
Look for .CSO files if you are tight on space, or .ISO if you want the highest audio/visual quality.