G.i. Joe: Operation Blackout [codex] -

: The game culminates in a dual-boss battle against Destro and the Baroness in the final level.

The Joes eventually manage to shut down the device and restore order, but the peace is short-lived. G.I. Joe: Operation Blackout [CODEX]

: The story ends on a classic cliffhanger; as the Joes celebrate their hard-won victory, Roadblock and Mainframe receive an alert of a brand-new Cobra threat, ensuring the conflict remains eternal. : The game culminates in a dual-boss battle

See the initial Cobra attack on the USS Flagg and the activation of the Blackout Sphere: G.I. Joe: Operation Blackout [CODEX]

As the story progresses, players witness the internal politics of both factions: