Rogue Sentry by Mapledev

Rogue Sentry is a difficult twin-stick adventure shoot-em-up about a sentry droid who turns rogue to save humanity.

AI has spread and taken over the world, imprisoning the remaining humans in a high-security fortress!
An unlikely stem of the machine learning algorithm has found its way into a sentry droid who guards the fortress gate. With a spark of empathy, or a programming error, the sentry droid pines for its maker and opts to abandon its post.
Sentry droid, you are humanity’s last hope. Can you reverse the apocalypse, save the prisoners, and escape the fortress before it’s too late?
Rogue Sentry, your mission is simple: Save humanity.

Epic finale