head to head
Super Smash Bros. Melee asks more than Naruto x Boruto: Ultimate Ninja Storm Connections, and the gap is execution.

Execution · Competitive PvP
A flashy arena fighter testing reaction timing and substitution mind-games against humans.

Execution · Competitive PvP
A platform fighter with one of the highest execution ceilings in any competitive game, layered on top of deep human reads.
Naruto x Boruto: Ultimate Ninja Storm Connections leans Execution (Competitive PvP); Super Smash Bros. Melee leans Execution (Competitive PvP).
Super Smash Bros. Melee leans clearly harder on execution.
Naruto x Boruto: Ultimate Ninja Storm Connections
Combo timing and substitution reactions decide exchanges
Super Smash Bros. Melee
Wavedashing, L-cancels, and tech-chasing set an extreme physical ceiling
Super Smash Bros. Melee leans clearly harder on reads.
Naruto x Boruto: Ultimate Ninja Storm Connections
Human opponents bait substitutions and punish habits
Super Smash Bros. Melee
Reading DI choices and opponent adaptive habits is constant and non-convergent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Naruto x Boruto: Ultimate Ninja Storm Connections
Little hidden beyond occasional support-assist surprises
Super Smash Bros. Melee
Stage hazard RNG and spawn positions add marginal chaos
Super Smash Bros. Melee leans clearly harder on optimization.
Naruto x Boruto: Ultimate Ninja Storm Connections
Team composition and meter management reward system knowledge
Super Smash Bros. Melee
Character matchup tiers and optimal movement routing are deeply studied
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.
full breakdown
Naruto x Boruto: Ultimate Ninja Storm Connections →
full breakdown
Super Smash Bros. Melee →