In the game, the player controls an "exofighter", an exosuit-equipped soldier, who must complete objectives while fighting hordes of dinosaurs with the goal of defeating the sinister artificial intelligence Leviathan.

[3] The main opponents in the game are dinosaurs unleashed from mysterious vortexes, including Tyrannosaurus, Triceratops, Pachycephalosaurus, Pteranodon, and massive hordes of raptors, as well as mutated prehistoric creatures named "neosaurs" which have special combat abilities.

[4] The objectives and combat challenges players must complete include Dinosaur Cull, VTOL Defense, Data Key Security, Omega Charge, and Energy Taker.

These consist of various "combat tests" that send the participants, back in time to a specific date in 2040 where they must fight waves of dinosaurs and neosaurs appearing through vortexes opened by Leviathan itself.

He explains that Leviathan has been capturing exofighters from various timelines in order to send them to 2040 to collect combat data for exosuit development under threat of death.

During the wargames, Magnum is able to collect critical data that he attempts to transmit to the Hammerheads, but he is apparently killed by a hostile exofighter named Durban.

They investigate further and discover Synes' "Golden Goose" project, which uses time traveling Vortexer technology to harvest Hi-Xol superfuel for Aibius.

While searching for Durban, the Hammerheads find another ancient exosuit left behind by an alternate version of Majesty from 2050, who left a recording warning that in the far future, Aibius builds additional Stratovators all over the world to harvest Hi-Xol, but the temporal harvesting was destroying the very fabric of reality, creating the vortexes that summon dinosaurs and causing outbreaks.

Nadi still lives on inside Leviathan, trying to reach out to people like the alternate Majesty and Lorenzo's sister Haruka to try and complete his mission.

After being provided coordinates for a safe location, the Hammerheads fly off, intent to keep resisting Aibius and prevent them from using Golden Goose and threaten reality ever again.

Dinosaurs were chosen as the game's main enemy type because Hiraoka and the team believed that "it would be fun to experience the threat of history's most fearsome predators", especially if they attack players in a massive horde.

[8] Capcom arranged network tests for PC players in July and August 2022, allowing them to play a pre-release version of the game.