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

Execution · Practiced Mastery
A kart racer with an adventure structure and three vehicle types, lighter on item chaos than its rivals.

Execution · Practiced Mastery
A fast falling-block puzzle testing speed placement and chain planning.
Diddy Kong Racing leans Execution (Practiced Mastery); Raining Blobs 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.
Diddy Kong Racing
Drift boosts across car, hovercraft and plane demand precision.
Raining Blobs
Fast block placement under accelerating speed decides runs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Diddy Kong Racing
Multiplayer item duels add mild prediction; AI is scripted.
Raining Blobs
Optional versus but mostly solo, little prediction
Raining Blobs leans a little harder on variance, though the gap is small.
Diddy Kong Racing
Balloon pickups and items inject moderate randomness.
Raining Blobs
Falling blob colors are random but quickly mappable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Diddy Kong Racing
Vehicle choice, balloon upgrade routes and boss strategies converge.
Raining Blobs
Chaining and clearing patterns has known optimal play
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.