head to head
Pacific DrivevsXCOM: Enemy Unknown
Pacific Drive leans Optimization (Systems & Chaos); XCOM: Enemy Unknown leans Optimization (Systems & Chaos).
Pacific DriveXCOM: Enemy Unknown
Axis by axis
Execution4 vs 3
Pacific Drive leans harder on execution: Driving and quick repairs matter.
Reads0 vs 1
XCOM: Enemy Unknown leans harder on reads: Aliens follow scripted AI, never model your specific habits
Variance6 vs 7
XCOM: Enemy Unknown leans harder on variance: Hit chances, crit rolls, and mission spawns create constant RNG swings
Optimization7 vs 8
XCOM: Enemy Unknown leans harder on optimization: Squad composition, research order, and base economy are solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

