Building comparison
head to head
Guitar Hero: World TourvsRock Band 2
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.
Guitar Hero: World Tour
Execution · Pure Mechanics
The Guitar Hero entry that added drums and vocals to chase full-band play.
Rock Band 2
Execution · Pure Mechanics
The full-band rhythm game whose setlist and feel made it the genre's high-water mark.
Guitar Hero: World Tour leans Execution (Pure Mechanics); Rock Band 2 leans Execution (Pure Mechanics).
Guitar Hero: World TourRock Band 2
Axis by axis
Execution8 vs 8
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Guitar Hero: World Tour
Fret-and-strum accuracy on expert note charts
Rock Band 2
Guitar, drum, and vocal accuracy on expert charts
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Guitar Hero: World Tour
Charts never adapt
Rock Band 2
Charts never respond
Variance0 vs 0
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Guitar Hero: World Tour
Deterministic charts
Rock Band 2
Fixed setlist charts
Optimization4 vs 4
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Guitar Hero: World Tour
Star power activation paths drive top scores
Rock Band 2
Overdrive activation paths decide leaderboard 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.