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

Execution · Practiced Mastery
A twin-stick shooter testing aim and crowd control against zombie hordes.

Execution · Practiced Mastery
A faithful beat-em-up revival testing combo execution and pattern knowledge across escalating Foot Clan gauntlets.
All Zombies Must Die! leans Execution (Practiced Mastery); TMNT: Shredder's Revenge leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
All Zombies Must Die!
Twin-stick aiming and dodging hordes is the core skill
TMNT: Shredder's Revenge
Tight combo windows, taunt timing, and boss parries demand execution
TMNT: Shredder's Revenge leans a little harder on reads, though the gap is small.
All Zombies Must Die!
Zombies swarm on fixed AI, nothing to out-predict
TMNT: Shredder's Revenge
All enemies are scripted; no adaptive opponent
All Zombies Must Die! leans a little harder on variance, though the gap is small.
All Zombies Must Die!
Drops and modifiers add some randomness
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.
All Zombies Must Die!
Crafting weapons and quest routing builds power over time
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.