head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
Mid-tier platforming precision through fixed, frequently janky levels.

Execution · Practiced Mastery
Precision sniping and arena navigation through fixed, gimmick-laden levels.
Crash Twinsanity leans Execution (Practiced Mastery); MDK 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.
Crash Twinsanity
Crash-standard jump precision, loosened by janky physics
MDK
Sniper-mode precision and arena dodging demand steady hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Twinsanity
Cortex and enemies are comedy scripts, not minds
MDK
Alien enemies behave on fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Twinsanity
Fixed levels; only glitches surprise
MDK
Levels are authored with nothing random
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Twinsanity
Crystal and gem routing is straightforward once learned
MDK
Learning arena gimmicks and item use solves each level
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.