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
Patient positioning and learned ballistics, executed one careful shot at a time.

Optimization · Practiced Mastery
Routing guard patrols and executing clean stealth kills through fixed missions.
Sniper Elite leans Execution (Practiced Mastery); Tenchu Z leans Optimization (Practiced Mastery).
Sniper Elite leans a little harder on execution, though the gap is small.
Sniper Elite
Steadying long shots against wind and breathing demands precision
Tenchu Z
Stealth-kill timing and movement control matter but forgive
Sniper Elite leans a little harder on reads, though the gap is small.
Sniper Elite
Enemy patrols follow scripts, not adaptive minds
Tenchu Z
Guard patrols are scripted, mappable routes
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Sniper Elite
Guard positions are scripted-but-unknown on first pass
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.
Sniper Elite
Ballistics math, positioning and route planning carry each mission
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.