Building comparison
head to head
Call of Duty: Modern Warfare IIvsQuake III Arena
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
Call of Duty: Modern Warfare II
Execution · Grand Arena
Modern arena shooter built on aim and loadouts.
Quake III Arena
Execution · Pure Mechanics
Pure aim and movement skill tested against adaptive human opponents competing for spawn-cycle dominance.
Call of Duty: Modern Warfare II leans Execution (Grand Arena); Quake III Arena leans Execution (Pure Mechanics).
Call of Duty: Modern Warfare IIQuake III Arena
Axis by axis
Execution9 vs 9
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Modern Warfare II
Sub-second TTK demands precise tracking
Quake III Arena
Rail and rocket aim at speed is the entire game
Reads6 vs 6
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Modern Warfare II
Holding angles vs aggression is mind game
Quake III Arena
Human opponents adapt their routes and timings in direct response
Variance3 vs 2
Call of Duty: Modern Warfare II leans a little harder on variance, though the gap is small.
Call of Duty: Modern Warfare II
Spawn logic and SBMM shuffle outcomes
Quake III Arena
Spawn locations have mild randomness but are quickly mapped
Optimization6 vs 5
Call of Duty: Modern Warfare II leans a little harder on optimization, though the gap is small.
Call of Duty: Modern Warfare II
Gunsmith attachments and perk packages
Quake III Arena
Armor and weapon timing routes are learnable and highly leveraged
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.