head to head
Super Smash Bros. Melee asks more than Nidhogg, and the gap is execution.

Reads · Competitive PvP
Minimalist fencing duel that is almost entirely about out-guessing one human.

Execution · Competitive PvP
A platform fighter with one of the highest execution ceilings in any competitive game, layered on top of deep human reads.
Nidhogg leans Reads (Competitive PvP); Super Smash Bros. Melee leans Execution (Competitive PvP).
Super Smash Bros. Melee leans clearly harder on execution.
Nidhogg
Sword-height changes and dive-kicks need quick hands
Super Smash Bros. Melee
Wavedashing, L-cancels, and tech-chasing set an extreme physical ceiling
Super Smash Bros. Melee leans a little harder on reads, though the gap is small.
Nidhogg
Pure human duels of feints and conditioning
Super Smash Bros. Melee
Reading DI choices and opponent adaptive habits is constant and non-convergent
Super Smash Bros. Melee leans a little harder on variance, though the gap is small.
Nidhogg
Symmetric deterministic arenas
Super Smash Bros. Melee
Stage hazard RNG and spawn positions add marginal chaos
Super Smash Bros. Melee leans clearly harder on optimization.
Nidhogg
Small toolkit, little to solve beyond fundamentals
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.