Every world is a different
age of life on Earth.
Age of Eons is a living-world survival game. Spawn as a Cambrian radiodont, an Allosaurus over the Morrison floodplain, or a mammoth on the Pleistocene steppe — then grow, hunt, breed, and pass your genome on before the world's extinction loop wipes the slate and a new eon begins. Every stat is grounded in real paleontology; every death sends your soul back through reincarnation to be reborn where the population caps allow.
Explore every era.
From the Cambrian sea to the Ice Age steppe — each era is its own world with a distinct roster, biomes, and paleo-accurate cast. Jump straight into any roster.
A world that lives without you.
Seasons turn, weather rolls across biomes, populations boom and crash, territory changes hands, and eras collapse on their own clock — the simulation runs whether or not you're logged in.
Living ecosystem
A season clock, per-biome weather, disasters, and predator–prey population dynamics drive a genuine food web with carrying caps and collapse — not scripted spawns.
Deep genetics
Every creature carries a genome. Mutations, rare albino lines, inbreeding penalties, and size and stat inheritance — breed a dynasty and your bloodline climbs the cross-server leaderboard.
Territory & factions
Claim ground, form packs and clans, and defend a range. Reputation, a TrailCoins economy, a market and governance all sit on top of the raw survival loop.
The extinction loop
Every world ends. A mass-extinction event collapses the era and reseeds the next — your soul reincarnates into whatever the caps allow, and lineages and records carry forward. Death is the mechanic.
Worlds running now.
Read the field guide
Growth stages, controls, combat, breeding, reincarnation and the ten-era timeline — everything you need before your first spawn. →
The projectWhy it's built this way
Real paleontology, a self-running simulation, and a world designed to end and begin again. Meet the world behind Age of Eons. →
Pick a creature. Survive an eon.
Browse all 89 species, era by era, with real stats and paleontology.
Open the species picker