Clash at Demonhead is an open-ended platformer in the "Metroidvania" style. The player takes control of Billy "Big Bang" Blitz, who is capable of running, jumping, and shooting.
You're cruising along with your baby, Bunny, in your Buggy, when from behind you hear this brainboggling bbbarooooom! It's Dark Jackal and his beastly band of Blacktop Bullies!
Socket played very similarly to Sonic the Hedgehog; so much so that it is often called a Sonic rip-off. Its sense of speed and platforming gameplay contributed to this thinking.
A prince from another country have been kidnapped by a terrorist group and the government have decided that it's Madison's job to save the prince to avoid war between the two countries.
Whip Rush's gameplay style was very similar to R-Type. You fire your weapon and earn the pods which follow your plane around. You can get new weapons which can be maxed out 3 times.
Battle Mania is a horizontal and at times, vertical scrolling shooter. If you cannot endure playing little ships anymore, then Battle Mania is highly recommended.
Battle Mania Daiginjo is one of the more entertaining games for the Mega Drive as well as being a massive cult favorite that you should defiantly look in to if shooters are your thing.