Raptor: Call of the Shadows is a vertically scrolling shooter developed by Cygnus Studios and published by Apogee Software. Its working title was "Mercenary 2029". It was released on April 1, 1994 for MS-DOS compatible systems. The first episode of the game, "Bravo Sector", was distributed as shareware. The other two episodes were sold commercially.

It's also already on 3DS https://github.com/RetroGamer02/raptor3ds/