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 · Pure Mechanics
Tests twin-stick reflexes and threat triage under relentless arcade pressure.
Colin McRae Rally 2.0 leans Execution (Pure Mechanics); Super Stardust Ultra leans Execution (Pure Mechanics).
Super Stardust Ultra 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 Stardust Ultra
Twin-stick dodging through dense asteroid fields is everything
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 Stardust Ultra
Waves are spawned patterns, not adaptive opponents
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Colin McRae Rally 2.0
Mid-stage surprises minimal once pace notes are internalised
Super Stardust Ultra
Spawn timing varies slightly but is quickly familiar
Colin McRae Rally 2.0 leans a little harder on optimization, though the gap is small.
Colin McRae Rally 2.0
Memorising stages and tuning setups converges times steadily
Super Stardust Ultra
Weapon choice and multiplier management refine 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.