head to head
Tekken asks more than Nidhogg, and the gap is optimization.

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

Execution · Competitive PvP
The 3D fighting series opener where execution and human mind-games decide every round.
Nidhogg leans Reads (Competitive PvP); Tekken leans Execution (Competitive PvP).
Tekken leans a little harder on execution, though the gap is small.
Nidhogg
Sword-height changes and dive-kicks need quick hands
Tekken
Frame-tight inputs, juggle combos, movement demand trained hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Nidhogg
Pure human duels of feints and conditioning
Tekken
Human opponent adapts; throws, lows, sidesteps form mixup mind-games
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Nidhogg
Symmetric deterministic arenas
Tekken
No hidden info; only matchup unfamiliarity early on
Tekken leans clearly harder on optimization.
Nidhogg
Small toolkit, little to solve beyond fundamentals
Tekken
Frame data, punishes, and combo routing are studyable systems
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.