Nanosaur 2 is described as 'Continuation of the original Nanosaur storyline, only this time you get to fly a pteradactyl who's loaded with hi-tech weaponry, and the game is much larger than the original 1998 Nanosaur game' and is a Adventure Game in the games category. There are three games similar to Nanosaur 2 for a variety of platforms, including Windows, Mac, Linux, Flathub and Playstation apps. The best Nanosaur 2 alternative is Jurassic Park: Operation Genesis. It's not free, so if you're looking for a free alternative, you could try Bugdom 2.