Second Extinction Online -

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

: 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 Second Extinction online

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 : Players worked in teams of up to

: 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. Developed by Systemic Reaction (a division of Avalanche