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.

Optimization · Practiced Mastery
A tactical police shooter where careful, methodical tactics against randomized threats defines mastery.

Optimization · Practiced Mastery
Routing guard patrols and executing clean stealth kills through fixed missions.
SWAT 4 leans Optimization (Practiced Mastery); Tenchu Z leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
SWAT 4
precise aim and careful movement required
Tenchu Z
Stealth-kill timing and movement control matter but forgive
SWAT 4 leans a little harder on reads, though the gap is small.
SWAT 4
suspects react but don't truly adapt
Tenchu Z
Guard patrols are scripted, mappable routes
SWAT 4 leans a little harder on variance, though the gap is small.
SWAT 4
suspect placement and behavior randomized
Tenchu Z
Patrol routes are unknown only on first attempts
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
SWAT 4
tactics and equipment loadouts solvable
Tenchu Z
Routing each mission for undetected kills is the real game
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.