head to head
Peak asks more than Red Dead Redemption 2, and the gap is execution.

Execution · Practiced Mastery
Careful climbing execution and route planning where a single mistimed grab undoes everything.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Peak leans Execution (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Peak leans clearly harder on execution.
Peak
Stamina-managed grip timing - one slipped input drops the whole climb
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Red Dead Redemption 2 leans a little harder on reads, though the gap is small.
Peak
Co-op against a mountain, no adaptive opponent
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Peak leans a little harder on variance, though the gap is small.
Peak
Daily map rotation and item spawns shuffle each ascent
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Peak leans a little harder on optimization, though the gap is small.
Peak
Routing the wall and rationing items decides summit attempts
Red Dead Redemption 2
Loadouts and routes solvable but loose.
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.