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

Optimization · Practiced Mastery
An open-world hero shooter where you hot-swap a squad of three agents to dismantle a supervillain organisation.

Execution · Practiced Mastery
Open-world western about an outlaw forced to hunt down his old gang.
Agents of Mayhem leans Optimization (Practiced Mastery); Red Dead Redemption 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.
Agents of Mayhem
Triple-jump shooting demands moderate aim and movement
Red Dead Redemption
Dead Eye softens but gunplay still wants aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Agents of Mayhem
LEGION troops follow predictable scripts
Red Dead Redemption
Multiplayer skirmishes add light human prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Agents of Mayhem
Procedural lair layouts add mild uncertainty
Red Dead Redemption
Ambient events and spawns vary mildly
Agents of Mayhem leans a little harder on optimization, though the gap is small.
Agents of Mayhem
Agent-swap squad composition and gadget builds reward theorycrafting
Red Dead Redemption
Mission approaches and economy are learnable
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.