There's a weight to this score that sits on you. Bruno Babic composed the Unity of Command II soundtrack, and it treats WWII strategy not as bombastic action but as grinding exhaustion. "Long nights" lives up to its name with sparse, somber piano over ambient drone that captures the misery between battles.
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"Zeitgeist zerstort" builds this creeping industrial tension that never fully releases. "They're coming" uses percussive loops that feel more like a heartbeat than a war drum. Even "Hoorah" stays restrained. The whole thing avoids every military-music cliche you'd expect.
If you want a strategy game OST that respects the gravity of its subject instead of glorifying it, this is the one.