Thanks for taking the time, appreciate the feedback
I am aware of a lot of these issues and had even addressed some of them in a later build of the game.
Although this is more broken in other ways, so i have not released it.
Point also taken on the menu being too obtuse for screen flashing - screen shaking
I'll agree the hunger and falling rocks are on the brutal side, and will address these in a patch asap.
The confusing evolution and mating system is a result of technical limitations of the approach i took to give a visual representation of any evolution.
My approach is a dead end, as it requires thousands of frames of animation to be drawn in order to add single creature that can be mated with.
This led to the confusing differences between the way tails, shells and other creatures interact.
Sorry for the unfinished state of the game, i'm glad you enjoyed part of it!