Just letting GSB players know that today we released a vertical shooter using the same artwork. Its a fun little coffee break game, super-cheap, and runs on anything. Its called 'Gratuitous Space Shooty Game'. I hope you enjoy it :D. Try and beat it on WTF difficulty level :D.
https://store.steampowered.com/app/2763030/Gratuitous_Space_Shooty_Game