head to head
vs
Alien SwarmvsMetal Gear Solid 4: Guns of the Patriots
Alien Swarm leans Execution (Practiced Mastery); Metal Gear Solid 4: Guns of the Patriots leans Optimization (Practiced Mastery).
Alien SwarmMetal Gear Solid 4: Guns of the Patriots
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance3 vs 2
Alien Swarm leans harder on variance: Spawn timing varies modestly
Optimization5 vs 6
Metal Gear Solid 4: Guns of the Patriots leans harder on optimization: camo, gear, and route knowledge per act
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.