Bombstrike

"Bombstrike: arcade shoot'em up on steroids. If you want intense shoot'em up action--did I say intense?--look no further: Tomcat Interactive has sprung their virgin release, Bombstrike: "The ultimate 3D helicopter action game." The graphics are gorgeous, the bass is headache-inducing, and the action is fast and furious.

If that sounds like your cup of tea, then check out the demo now (16 MB)." (The Independent Gaming Source)