head to head
Katamari Damacy Reroll asks more than Red Dead Redemption 2, and the gap is optimization.

Optimization · Practiced Mastery
Routing an ever-growing ball through fixed object layouts against the clock.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Katamari Damacy Reroll leans Optimization (Practiced Mastery); Red Dead Redemption 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.
Katamari Damacy Reroll
Tank-control rolling under time pressure takes coordination
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.
Katamari Damacy Reroll
No opponents, just cluttered scripted playgrounds
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Red Dead Redemption 2 leans a little harder on variance, though the gap is small.
Katamari Damacy Reroll
Object layouts are fixed every attempt
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Katamari Damacy Reroll leans clearly harder on optimization.
Katamari Damacy Reroll
Growth-route planning through object size tiers drives scores
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.