What is the game were you are a raptor and you shoot other dinosaurs?

I remember when I was in middle school the other kids would play this game on the school computers. You played as an intelligent alien raptor, you ran around a prehistoric map blasting other dinos with your arm gun. you could get weapons like missals and nukes, and you could also get a jet pack. What is this game I'm dieing to know.What is the game were you are a raptor and you shoot other dinosaurs?Nanosaur.