head to head
Crypt of the NecroDancer asks more than Elden Ring Nightreign, and the gap is execution.

Execution · Pure Mechanics
Rhythm roguelike that fuses dungeon crawling with beat-matched movement.

Execution · Practiced Mastery
A roguelike souls-like where adapting builds to randomized runs matters as much as combat skill.
Crypt of the NecroDancer leans Execution (Pure Mechanics); Elden Ring Nightreign leans Execution (Practiced Mastery).
Crypt of the NecroDancer leans clearly harder on execution.
Crypt of the NecroDancer
Rhythm-locked inputs on every beat punish any miss.
Elden Ring Nightreign
precise dodge and attack timing required
Elden Ring Nightreign leans a little harder on reads, though the gap is small.
Crypt of the NecroDancer
Enemy movement is fully scripted patterns.
Elden Ring Nightreign
bosses are fixed scripted patterns
Elden Ring Nightreign leans a little harder on variance, though the gap is small.
Crypt of the NecroDancer
Procedural dungeons and item drops add some swing.
Elden Ring Nightreign
run seeds and loot are randomized
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Crypt of the NecroDancer
Enemy patterns and routing are solvable once learned.
Elden Ring Nightreign
builds and run strategy are solvable
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.