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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
Spore
First of all, I think Spore is going to be an incredible game. I think it is an interesting account of how creatures evolve over time. However, from what I know of the game, it doesn't seem like it's representing an "emergent" system. While there aren't a great many parameters to choose from, as I understand it you do get to guide the creature's evolution. What you do and what the environment does changes how the creatures evolve. So there is some sort of director.
Still, an awesome game. I hope they port it to Mac.