head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Pure Mechanics
A classic retro football simulation emphasizing control-based gameplay.

Execution · Practiced Mastery
The sequel adding Horde mode to the campaign-plus-versus cover shooter formula.
Emlyn Hughes International Soccer leans Execution (Pure Mechanics); Gears of War 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Emlyn Hughes International Soccer
precise passing, shooting, and dribbling control
Gears of War 2
Gnasher battles and movement tech set the ceiling
Gears of War 2 leans a little harder on reads, though the gap is small.
Emlyn Hughes International Soccer
limited human multiplayer prediction element
Gears of War 2
Human opponents in versus drive prediction play
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Emlyn Hughes International Soccer
minor bounce and deflection randomness
Gears of War 2
Horde spawns add mild randomness
Gears of War 2 leans a little harder on optimization, though the gap is small.
Emlyn Hughes International Soccer
tactics and formation knowledge
Gears of War 2
Power-weapon timing and positioning are solvable
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.