I went through Air Buster (Genesis) the other night... it's a decent shooter that also appeared on the Turbografx, but much harder and with a different name (Aero Blasters).
You're very perceptive, for a dead man.

zero signal v 2.0 The OPCFG West Mansion The Ghoul Realm

Metal Slug: Iron Cavalrymen In Hell

Visit The Third Moon and revel in the strangeness...