"X-BOMBER.gam" can only be opened with Multimedia Fusion.

"X-BOMBER 17-05-03.cca" cannot be opened without the KCDialog extension.

"X-BOMBER low-res test.cca" explored the possibility of running the original X-Bomber at 640x480 resolution.

"X-BOMBER.cca" is the unaltered source code required to compile and develop the original X-Bomber.

--- PROTOs ---

"Star Fleet _ X-Bomber" requires setup (setup.exe).

"X-BOMBER-proto.exe" is an early prototype of X-Bomber, similar to the above and can be run as a standalone.

"X-BOMBER-04-06-2003-prerelease.exe" is a standalone of X-Bomber at an advanced stage of its development. It is broadly similar to version 1.0 released only days later.