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

Optimization · Practiced Mastery
Scripted cosmic-horror set pieces strung between modest environmental puzzles.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Moons of Madness leans Optimization (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Red Dead Redemption 2 leans clearly harder on execution.
Moons of Madness
Light stealth and walking - minimal physical demand
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.
Moons of Madness
Horrors trigger on scripted story beats, never adapting
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Moons of Madness
Scares and puzzle layouts are unknown only once
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.
Moons of Madness
Environmental puzzles are the only real test, and modest
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.