Operation Carnage

An alien invasion force has colonized planet earth. Now it is up to you to infiltrate their strongholds and completely eradicate the alien threat.

Your mission: Kill everything in sight! Survive the onslaught and make your way through these bizarre fortresses, one stage at a time.

Take no prisoners.

Operation Carnage is a top down arcade-style shoot-em-up for DOS developed by Midnight Synergy and released in 1996. It is now available as freeware.