 For a while "B-17 Flying Fortress" (DOS version only) was released with permission as freeware by MicroProse on the Internet website bombs-away.net.Its sequel came out in the year 2000 and "B-17 Flying Fortress" as freeware was made into a Microsoft Windows 9x running application from the DOS based version for the PC platform.Shockwave Productions has since bought the rights to the code.