Critter Lab
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Critter Lab

This pond is alive. You don't answer questions — you set the numbers that run a whole food chain: algae feeds the fish, and a hungry pike eats the fish. Set the rules, press Run, and keep the pond healthy!

Set the rules, then Step one turn at a time or Run to watch. Think: fish × appetite is the food they need each turn — and a pike eats fish too. Can the algae grow fast enough? A free game from mousecalls · no login, nothing uploaded.