Pretty darn good!
Spectrobes is one of those games that tries to be "the most innovative game ever" but it only attemps. There is just too much stuff put into this game! It kinda slows down the game a little bit to keep checking on if your Spectrobes are ready to evolve, checking the ground for minerals, etc. The gameplay is pretty solid though for having that much stuff.
The visuals in this game were pretty good, but they could've been better, the animations for the characters on the field are clunky and only have 3 frames. The world maps are extremely well done with a very good attention to detail. If there is a sandstorm going on, you will see a sandstorm that looks pretty real! Most of the graphics are pretty well though :)
Next comes the sounds. The music is great in this game! Each planet has a different sound and it seems to never get old! But on the other hand, the sound effects can get very annoying!!! Whenever you awaken a Spectrobe or are in the incubator, you here this EXTREMELY annoying sound that keeps looping and looping. Overall though, I think this game is awesome. There is so much to collect and do!