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

Execution · Pure Mechanics
An arcade bike racer testing cornering execution across memorised circuits.

Execution · Practiced Mastery
Wrangling high-speed 3D movement through fixed stages and boss scripts.
Moto Racer 2 leans Execution (Pure Mechanics); Sonic Adventure DX: Director's Cut leans Execution (Practiced Mastery).
Moto Racer 2 leans a little harder on execution, though the gap is small.
Moto Racer 2
Cornering at speed across road and motocross demands clean inputs
Sonic Adventure DX: Director's Cut
High-speed 3D control and jank-wrangling demand real hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Moto Racer 2
AI riders run fixed lines
Sonic Adventure DX: Director's Cut
Chaos bosses run fixed phase scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Moto Racer 2
Courses are static and learnable
Sonic Adventure DX: Director's Cut
Stage layouts and upgrades never change
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Moto Racer 2
Track memorisation and bike choice settle close races
Sonic Adventure DX: Director's Cut
Speedrun routing and A-rank paths are learnable 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.