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 · Practiced Mastery
A squad shooter about leading a resistance through occupied New York, balancing gunplay with simple squad orders.

Optimization · Practiced Mastery
Series finale blending stealth with active battlefields and heavy cinematics.
Freedom Fighters leans Execution (Practiced Mastery); Metal Gear Solid 4: Guns of the Patriots leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Freedom Fighters
Third-person gunplay and squad command under fire
Metal Gear Solid 4: Guns of the Patriots
flexible gunplay alongside sneaking
Freedom Fighters leans a little harder on reads, though the gap is small.
Freedom Fighters
Soviet AI is scripted, not adaptive
Metal Gear Solid 4: Guns of the Patriots
battlefield factions act on scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Freedom Fighters
Minor encounter variation
Metal Gear Solid 4: Guns of the Patriots
mid-battle chaos mostly cosmetic
Metal Gear Solid 4: Guns of the Patriots leans a little harder on optimization, though the gap is small.
Freedom Fighters
Charisma economy and mission order across the map
Metal Gear Solid 4: Guns of the Patriots
camo, gear, and route knowledge per act
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.