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 · Practiced Mastery
Cornering execution over memorisable circuits, with light prediction in wheel-to-wheel multiplayer.

Execution · Practiced Mastery
A faithful beat-em-up revival testing combo execution and pattern knowledge across escalating Foot Clan gauntlets.
Grid 2 leans Execution (Practiced Mastery); TMNT: Shredder's Revenge leans Execution (Practiced Mastery).
Grid 2 leans a little harder on execution, though the gap is small.
Grid 2
Car control through corners is the entire moment-to-moment test
TMNT: Shredder's Revenge
Tight combo windows, taunt timing, and boss parries demand execution
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Grid 2
Online wheel-to-wheel adds light positional prediction
TMNT: Shredder's Revenge
All enemies are scripted; no adaptive opponent
TMNT: Shredder's Revenge leans a little harder on variance, though the gap is small.
Grid 2
Tracks are fixed and fully visible
TMNT: Shredder's Revenge
Enemy placement is fixed per stage
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grid 2
Racing lines, braking points and car selection are studyable
TMNT: Shredder's Revenge
Character unlocks, DX move mastery, and score routing reward knowledge
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.