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Ecosystem Games — Predict, Watch, Understand

These free ecosystem games let a child predict how living things depend on each other, watch it happen, and see why. An ecosystem is full of hidden connections — where an animal belongs, what happens when one species vanishes, who quietly recycles the dead — so guessing first, then watching, is how it makes sense. No ads, no sign-up.

What kids learn

An ecosystem is a community of living things and their surroundings. Every animal has a habitat that meets its needs. Energy flows from producers (plants) to consumers along interconnected food webs, while decomposers recycle what dies. Predator and prey populations rise and fall in a linked cycle, and pollinators keep plants reproducing. Pull on one thread and the whole web feels it — each game isolates one of these connections.

More science games

Explore the full set on the science games hub, including life science games and earth & space games.

Common questions

What is a habitat?

A habitat is the place where an animal or plant lives — the one that gives it the food, water, shelter and space it needs. A polar bear’s thick fur suits the icy Arctic; a camel’s hump suits the dry desert. Move a living thing to the wrong habitat and its needs are no longer met, so it struggles.

What is the difference between a food chain and a food web?

A food chain is a single line showing who eats whom — grass to rabbit to fox. A food web links many chains together, because most animals eat more than one thing and are eaten by more than one thing. The web shows how connected an ecosystem is: remove one species and the ripple reaches many others.

What do decomposers do?

Decomposers — fungi, worms and bacteria — break down dead plants and animals and return their nutrients to the soil, where new plants can use them. They are nature’s recyclers. Without them, dead material would pile up and the nutrients that living things depend on would be locked away.

What are producers, consumers, and pollinators?

Producers (green plants) make their own food from sunlight. Consumers eat other living things — herbivores eat plants, carnivores eat animals, omnivores eat both. Pollinators such as bees and butterflies carry pollen from flower to flower, which lets plants make the seeds and fruit the whole web depends on.

What age are these ecosystem games for?

Roughly ages 6–13 (grades 1–7), and each game shows its grade band. Habitats suit grades 1–4; pollination suits grades 2–5; decomposers and producers/consumers reach grades 3–6; food webs and predator-prey reach grades 4–7. The predict-and-watch format needs no reading-heavy setup.