Building comparison
head to head
Call of DutyvsGrand Slam Tennis 2
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
Execution · Practiced Mastery
The original 2003 WWII shooter built around cinematic squad set pieces.
Grand Slam Tennis 2
Execution · Practiced Mastery
Stick-controlled tennis testing swing timing and percentage shot selection.
Call of Duty leans Execution (Practiced Mastery); Grand Slam Tennis 2 leans Execution (Practiced Mastery).
Call of DutyGrand Slam Tennis 2
Axis by axis
Execution7 vs 7
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty
Aim and reaction carry the scripted firefights
Grand Slam Tennis 2
Total Racket Control stick swings demand precise timing
Reads3 vs 3
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty
Light multiplayer prediction; campaign AI is scripted
Grand Slam Tennis 2
Versus humans, disguising shot placement is genuine prediction
Variance2 vs 1
Call of Duty leans a little harder on variance, though the gap is small.
Call of Duty
Some spawn and hit unpredictability
Grand Slam Tennis 2
Ball physics are nearly deterministic
Optimization5 vs 5
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty
Memorising set pieces and weapon positions
Grand Slam Tennis 2
Shot selection and court positioning follow learnable percentages
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.