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Found a colony, dig a nest, and raise an empire of ants in a giant's back garden. A top-down colony sim of pheromone trails, brood and castes, foraging and three-way war — survive a whole backyard food chain of spiders, birds, frogs, and rival ant colonies.

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About Antopolis: The Ant Colony Simulator

FOUND A COLONY. DIG A NEST. RAISE AN EMPIRE OF ANTS IN A GIANT'S BACK GARDEN.

Antopolis is a top-down ant-colony grand strategy. Command a real ant colony — pheromone trails, brood, castes, foraging and war — rendered at the scale of the bugs themselves. The world is enormous, the ants are tiny, and the stakes are the whole anthill.

START AS A LONE QUEEN

Every game begins with a winged queen's nuptial flight. Fly her over the world, choose exactly where to found your colony, shed your wings, and emerge weeks later with a handful of founding workers — from nothing to a nation.

DIG AND DESIGN A LIVING NEST

Excavate your nest tile by tile through soft topsoil, stubborn clay, and slow stone. Build 10 specialised chamber types — Food Storage, Egg and Larvae Nurseries, Queen's Chamber, Midden, Cemetery, Guard Room, Dormitory, Quarantine, and a Gyne Chamber for raising new queens — each with real capacity. Flip between the bustling surface and a cutaway view of the nest at the press of a key.

RAISE A REAL ANT COLONY

The queen lays eggs, eggs hatch into hungry larvae, and larvae mature into workers — and every stage costs food. Watch nurse ants physically carry eggs and feed larvae, and tune your hatch ratio between nimble Minor workers and armoured Major soldiers.

FORAGE BY PHEROMONE

Ants navigate by smell, not scripts. They lay and follow Home and Food pheromone trails with a three-sensor antenna model, and successful foragers reinforce the path so the colony self-organises around the richest food. Toggle the pheromone overlay to literally watch the colony think, and fling out scouting parties to peel back the fog of war.

SURVIVE A BACKYARD FOOD CHAIN

It's a three-way war: your colony, the local wildlife, and rival AI ant colonies all fight each other. Spray stacking formic acid, then bite to finish the kill. Face ground beetles, house spiders, robins, yellowjackets, frogs, snakes, and careless giant humans — and hunt springtails, caterpillars, and earthworms in return. Grow large enough and enemy packs march on your nest in waves, so dig guard rooms and garrison your soldiers.

A WORLD THAT FIGHTS BACK

A living suburban map of lawns, flower beds, driveways, and houses you can raid for kitchen scraps. A day/night cycle and dynamic weather with real rainstorms. Overflowing middens breed disease, so manage your waste and quarantine the sick before a plague sweeps the nest. Colony-wide alerts — Storm, Flood, Plague, Raid — send your workers scrambling for the entrance.

GO DEEPER

Possess a single ant for a ground-level view where a blade of grass is a tree. Raise new queens and send them off to found satellite nests that extend your reach across the map. Hover anything in the world for its real species and scientific name — it's a backyard nature documentary you play.

KEY FEATURES

Found a colony from a single queen's nuptial flight

Dig and design a 10-chamber underground nest through layered soil

Watch a real ant life cycle: eggs, larvae, brood transport, Minor/Major castes

Emergent pheromone-trail foraging you can actually see

Dispatch scouting parties to uncover the map

Ranged formic-acid and bite combat with stacking poison

A full backyard food chain — beetles, spiders, birds, frogs, snakes, humans

Three-way war against wildlife AND rival ant colonies

Survive disasters and disease outbreaks

Possess a single ant for a ground-level view

Day/night cycle, dynamic weather, and a reactive combat soundtrack

Expand with satellite nests led by new queens

ON THE ROADMAP

Antopolis is in active development. Planned additions include more playable ant species (fire, leafcutter, bullet, and carpenter), new biomes and worlds (forest, rainforest, desert, and an indoor mansion), aphid farming and a honeydew economy, bigger nests and an expanded underground ecosystem, a weather-and-seasons overhaul, natural disasters and an end-game crisis, a graphics and audio pass, Steam achievements, additional languages, mod support, and multiplayer.

Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.

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