Call of Duty: United Offensive is the expansion to the original Call of Duty, adding sprinting and quick-saving to the base formula. Three campaigns across American, British and Soviet forces span roughly five hours of varied missions.
The Soviet tank mission is the standout, an armour push through the Kursk salient with the ability to knock down every tree. The B-17 bomber mission over Rotterdam moves between the dorsal, tail and ball turrets, fighting off the fighters, extinguishing an engine fire and cranking the jammed bomb doors open.
Mission variety carries the expansion, mixing air combat with boots-on-the-ground pushes and chase sequences. The jeep escape from Bastogne, the motorbike-and-sidecar exfil and the train ambush keep each campaign distinct, while the flak gun adds a satisfying plane-shooting interlude.
The health-bar and medkit system is the biggest recurring frustration, leaving low-health stretches at the mercy of enemy drops. Enemies also seem to target the player character exclusively, ignoring the surrounding allies entirely.
Vehicle and mounted-gun crosshairs are meaningless, making the PT boat section a slow and awkward fight. Instant-fail friendly fire punishes a single accidental bullet, which feels harsh during the bomber mission.
The game ran with only one crash, though teammates blocking movement and an odd stuttery mouse feel persist. The Noville hold-the-line is tolerable because it auto-saves constantly, unlike the base game’s version, and quick-saving restores full health and ammo.
Overall, mission variety and the tank and bomber set-pieces make United Offensive a worthy companion to the original. The health-bar system is the main caveat on an otherwise strong expansion.