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
Pure car control over loose surfaces, sharpened by memorising every stage.

Execution · Practiced Mastery
Tests reflex dodging that collapses into memorised safe spots.
Colin McRae Rally 2.0 leans Execution (Pure Mechanics); Super Thunder Blade leans Execution (Practiced Mastery).
Colin McRae Rally 2.0 leans a little harder on execution, though the gap is small.
Colin McRae Rally 2.0
Surface-specific car control at speed decides every stage
Super Thunder Blade
Weaving the chopper through fire at speed is the whole demand
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Colin McRae Rally 2.0
Time-trial format - no adaptive opponent on the stage
Super Thunder Blade
Enemy fire follows fixed patterns
Colin McRae Rally 2.0 leans a little harder on variance, though the gap is small.
Colin McRae Rally 2.0
Mid-stage surprises minimal once pace notes are internalised
Super Thunder Blade
Stages never change between runs
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Colin McRae Rally 2.0
Memorising stages and tuning setups converges times steadily
Super Thunder Blade
Safe-spot and pattern memorisation trivialises repeat runs
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.