head to head
Counter-Strike: Global Offensive asks more than Nidhogg, and the gap is execution.

Execution · Competitive PvP
Definitive competitive tactical FPS balancing aim mastery with team strategy.

Reads · Competitive PvP
Minimalist fencing duel that is almost entirely about out-guessing one human.
Counter-Strike: Global Offensive leans Execution (Competitive PvP); Nidhogg leans Reads (Competitive PvP).
Counter-Strike: Global Offensive leans clearly harder on execution.
Counter-Strike: Global Offensive
Spray control and flick precision at the top
Nidhogg
Sword-height changes and dive-kicks need quick hands
Nidhogg leans a little harder on reads, though the gap is small.
Counter-Strike: Global Offensive
Anti-stratting and mid-round adaptation
Nidhogg
Pure human duels of feints and conditioning
Counter-Strike: Global Offensive leans clearly harder on variance.
Counter-Strike: Global Offensive
Information hidden until contact
Nidhogg
Symmetric deterministic arenas
Counter-Strike: Global Offensive leans clearly harder on optimization.
Counter-Strike: Global Offensive
Utility lineups, economy, and default strats
Nidhogg
Small toolkit, little to solve beyond fundamentals
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.