head to head
vs
Corridor ZvsDoom 3
Corridor Z leans Execution (Twitch Chaos); Doom 3 leans Execution (Practiced Mastery).
Corridor ZDoom 3
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.
Variance4 vs 3
Corridor Z leans harder on variance: random hazard and item placement
Optimization4 vs 5
Doom 3 leans harder on optimization: Ammo management and trigger knowledge trivialise replays
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.