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
Kart racer whose boost-chaining drift system gives it a real execution ceiling.
Execution · Practiced Mastery
An arcade-style international soccer simulation.
Crash Team Racing leans Execution (Practiced Mastery); Iss3 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 Team Racing
Boost-chaining and drift timing separate skill tiers
Iss3
passing and shooting precision
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
Iss3
human opponents allow light prediction
Crash Team Racing leans a little harder on variance, though the gap is small.
Crash Team Racing
Item box rolls swing positions
Iss3
match physics randomness
Crash Team Racing leans a little harder on optimization, though the gap is small.
Crash Team Racing
Shortcut routes and reserve-boost technique
Iss3
team tactics and formation strategy
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.