The workers are really funny little dudes and I love how they just run around and do stuff, although I do think the game needs some balancing. It felt like it was raining and sunny so often that I could have both workers gathering nutrients pretty much all the time. I also wish i could have gotten more workers somehow, but I know in 3d especially there is a lot to do in 3 days.
Overall I think this is a good submission and you were able to get a lot done in 3 days