I've finished the creature stage now and am looking forward to the next stage when its out. I had been finidng it difficult to locate my nest, a different symbol instead of an arrow or a return to nest button could help.
Thanks for playing, and for the report!
The performance issues have been addressed and seem to be working well in the browser on my end. Most of my testing was done in the standalone version of the game where it's not limited to a single thread, so I apologize for the performance issues out of the gate.
A different marker, or an easier way to find the nest is a great idea. Thanks for the feedback!