yeah, tried some of the graphics options, it at least runs on my crappy old pc.
might as well put some form of ideas here as well.
spitting venom: blinds creatures, spitting cobras spit their venom as a self defense mechanism and aim at the eyes, permanently blinding if it actually hits the eyes.
though this might be far ahead of an idea. wing shapes effecting flight: it would be interesting to have to edit the shape of the wings for an efficient flying creature.
bioluminescence: while this could be used for other things, maybe it could work as a lure, or even a built-in flashlight.
fur/scales: while fur would allow better insulation and the ability to look bigger, scales would increase over all defense and durability.
ectothermy and endothermy: ectotherms have a slower metabolism and overheat less easily, while endotherms are better at surviving in cold areas.
these are just ideas, but hey, would be cool to see some of them.
take it easy, don't over-work yourself, and try not to put out release dates and rush yourself super early!