head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Pure Mechanics
The refined sequel adding freestyle scratching and head-to-head DJ battles to the turntable formula.

Execution · Pure Mechanics
Rhythm FPS where every shot must land on the metal soundtrack's beat.
DJ Hero 2 leans Execution (Pure Mechanics); Metal: Hellsinger leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
DJ Hero 2
Faster scratch patterns plus freestyle sections
Metal: Hellsinger
shooting on the beat is the entire skill test
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
DJ Hero 2
No adaptive element
Metal: Hellsinger
demons follow fixed behavior
Metal: Hellsinger leans a little harder on variance, though the gap is small.
DJ Hero 2
Charts fixed despite freestyle windows
Metal: Hellsinger
deterministic arenas
Metal: Hellsinger leans a little harder on optimization, though the gap is small.
DJ Hero 2
Score multiplier and euphoria routing
Metal: Hellsinger
weapon choice and streak management for scores
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.