head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
Kart racer whose boost-chaining drift system gives it a real execution ceiling.

Execution · Pure Mechanics
A falling-capsule puzzle testing speed placement to clear virus layouts.
Crash Team Racing leans Execution (Practiced Mastery); Dr. Mario Online Rx leans Execution (Pure Mechanics).
Dr. Mario Online Rx leans a little harder on execution, though the gap is small.
Crash Team Racing
Boost-chaining and drift timing separate skill tiers
Dr. Mario Online Rx
Fast capsule placement under speed-up is the lead skill
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Team Racing
Human races involve item baiting and blocking
Dr. Mario Online Rx
Versus play adds light anticipation of opponent tempo
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Team Racing
Item box rolls swing positions
Dr. Mario Online Rx
Capsule colors are random but quickly mappable
Crash Team Racing leans a little harder on optimization, though the gap is small.
Crash Team Racing
Shortcut routes and reserve-boost technique
Dr. Mario Online Rx
Clearing virus layouts has known efficient patterns
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.