Building comparison
head to head
BioShock 2vsDoom 3
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.
BioShock 2
Execution · Practiced Mastery
Big Daddy POV return to Rapture with tighter combat systems.
Doom 3
Execution · Practiced Mastery
A slow horror-leaning Doom reboot built on darkness and scripted ambushes.
BioShock 2 leans Execution (Practiced Mastery); Doom 3 leans Execution (Practiced Mastery).
BioShock 2Doom 3
Axis by axis
Execution5 vs 5
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
BioShock 2
Dual-wield drill and gun timing matter.
Doom 3
Closet ambushes punish slow target acquisition
Reads1 vs 0
BioShock 2 leans a little harder on reads, though the gap is small.
BioShock 2
Splicer AI scripted, not adaptive.
Doom 3
Demon spawns are scripted triggers, not adaptation
Variance2 vs 3
Doom 3 leans a little harder on variance, though the gap is small.
BioShock 2
Sister-gathering waves add randomness.
Doom 3
Darkness hides ambushes until memorised
Optimization5 vs 5
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
BioShock 2
Plasmid combos and gear loadouts solvable.
Doom 3
Ammo management and trigger knowledge trivialise replays
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.