Second Extinction Online [ Premium ● ]

: While not strictly open-world, the game utilized large, "big map" environments with dynamic weather and various biomes like frozen tundras and abandoned towns. Project Status & Cancellation Second Extinction | REVIEW

: Players worked in teams of up to three to fight off overwhelming waves of mutated monstrosities, including electric raptors and massive T-Rexes. Second Extinction online

: You could choose from six distinct characters, each equipped with unique main weapons and special abilities, such as calling in airstrikes or setting electric fences. : While not strictly open-world, the game utilized

was an online, three-player cooperative first-person shooter where players teamed up to reclaim Earth from hordes of mutated dinosaurs. Developed by Systemic Reaction (a division of Avalanche Studios Group), the game featured fast-paced, visceral combat and was available on Windows, Xbox One, and Xbox Series X/S. Core Gameplay Features Neglected areas would see a rise in dinosaur activity

: A unique global metagame where the collective actions of the player community affected the "threat level" of different map regions. Neglected areas would see a rise in dinosaur activity.