Ecos: La Brea

Ecos: La Brea is a realistic prehistoric animal survival roleplay on Roblox set in Ice Age North America 25,000 years ago, developed by Ecos Team with 38.5 million visits, 211,000 favorites, and a 92.6% approval rating. Players choose from five playable prehistoric animals - Dire Wolf, Smilodon, Ancient Bison, Western Horse, and Columbian Mammoth - and survive, hunt, and explore the La Brea Tar Pits ecosystem. With 85 players per server and an 812-page Fandom wiki, it is one of the most developed animal simulators on Roblox.

Each animal fulfills a distinct ecological role in the open-world Santa Monica Basin map. The game emphasizes scientific accuracy through dimorphism, species-accurate vocalizations, and authentic flora and fauna:

• 🎭 Pack hunt as the Dire Wolf, ambush as the Smilodon, or terraform the landscape as the Columbian Mammoth
• 💰 Earn Tracks currency through gameplay and spend it on cosmetic skins including seasonal limited-time variants
• ⏳ Complete daily Instincts quests added in the February 2026 update for repeatable progression goals
• 🗺️ Explore the Santa Monica Basin map with authentic ecoregions populated by NPC prey animals

Cosmetic skins purchased with Tracks are the progression layer that most engaged players pursue. Standard skins are always available; limited-time seasonal skins (some up to 4,000 Tracks) release with major updates and events. The February 2026 update added the Instincts daily quest system alongside new Lunar New Year skins for multiple animals.

Ecos: La Brea is actively maintained through April 2026 and is a standout title in the animal simulator genre.