head to head
Red Dead Redemption 2 asks more than Brain Age: Train Your Brain in Minutes a Day!, and the gap is execution.

Optimization · Practiced Mastery
Nintendo's daily mental-workout collection of arithmetic, reading, and memory drills.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Brain Age: Train Your Brain in Minutes a Day! leans Optimization (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Red Dead Redemption 2 leans clearly harder on execution.
Brain Age: Train Your Brain in Minutes a Day!
Fast writing and speech input under time pressure
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.
Brain Age: Train Your Brain in Minutes a Day!
No opponent
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.
Brain Age: Train Your Brain in Minutes a Day!
Problem sets are randomly drawn but simple
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Brain Age: Train Your Brain in Minutes a Day! leans a little harder on optimization, though the gap is small.
Brain Age: Train Your Brain in Minutes a Day!
Mental arithmetic shortcuts and practice drive 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.