Devil Daggers is available now on GOG. Get it for Windows, Mac and Linux: https://www.gog.com/game/devil_daggers (25% off for one more day)
UPDATE I Thank you to all who helped us get Greenlit! Here's a look at our new lighting and rendering, our general aesthetic guide for the engine and art was "90s fever-dream" which gives us liberties to make the game look as you remember or imagined games to look like, not actually how they looked! -Sorath