head to head
Red Dead Redemption 2 asks more than Kirby's Return to Dream Land, and the gap is execution.

Optimization · Practiced Mastery
A four-player Wii Kirby romp gathering ship parts for the stranded alien Magolor.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Kirby's Return to Dream Land leans Optimization (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Red Dead Redemption 2 leans clearly harder on execution.
Kirby's Return to Dream Land
Easygoing main game; EX mode adds modest demands
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.
Kirby's Return to Dream Land
Bosses are pattern-scripted
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.
Kirby's Return to Dream Land
Energy sphere hiding spots are static secrets
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Return to Dream Land
Super ability timing and sphere collection are solvable
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.