Best Ideas for Microbe Stage Achievements

[AnthropocenianAge (AnthropocenianAge Arthropleura wants to give you a hug!)]

@AnthropocenianAge

Prepare yourself… - Survive your first Ice Age as a unicellular, multicellular, or macroscopic organism.

Does that one work? Or maybe this one by Spore123?

@spore123

Frozen planet: In any stage, survive a hard ice age.