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
Arcade shmup famous for its bullet-reflect barrier and scores running into the quintillions.

Execution · Practiced Mastery
A neo-noir one-hit-kill action platformer about planning and replaying perfect assassinations.
Giga Wing leans Execution (Practiced Mastery); Katana ZERO 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.
Giga Wing
Reflect-timing and dodging under heavy fire
Katana ZERO
One-hit-death slashing and deflects demand precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Giga Wing
Scripted waves with no adaptation
Katana ZERO
Enemies follow fixed placements and behaviours
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Giga Wing
Deterministic patterns around the reflect mechanic
Katana ZERO
Rooms are identical on every attempt
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Giga Wing
Reflect-force timing and medal routes set astronomical scores
Katana ZERO
Planning the perfect room-clear sequence
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.