head to head
Tom Clancy's Splinter Cell: Conviction asks more than Sniper Elite: Nazi Zombie Army, and the gap is optimization.

Execution · Practiced Mastery
Co-op horde defense balancing ballistic marksmanship with chokepoint planning.

Execution · Practiced Mastery
An action-leaning stealth entry where aggressive optimal clears replace pure ghosting.
Sniper Elite: Nazi Zombie Army leans Execution (Practiced Mastery); Tom Clancy's Splinter Cell: Conviction 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.
Sniper Elite: Nazi Zombie Army
Long-range ballistic shots and horde kiting demand steady aim
Tom Clancy's Splinter Cell: Conviction
Mark-and-execute flow rewards quick, accurate play
Tom Clancy's Splinter Cell: Conviction leans a little harder on reads, though the gap is small.
Sniper Elite: Nazi Zombie Army
Zombie waves charge on scripted triggers
Tom Clancy's Splinter Cell: Conviction
Enemies search via scripted last-known-position logic
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Sniper Elite: Nazi Zombie Army
Spawn composition varies slightly between runs
Tom Clancy's Splinter Cell: Conviction
Mild uncertainty in enemy search behavior
Tom Clancy's Splinter Cell: Conviction leans clearly harder on optimization.
Sniper Elite: Nazi Zombie Army
Chokepoint setups, trap placement and ammo economy carry co-op runs
Tom Clancy's Splinter Cell: Conviction
Encounter rooms have clear optimal clear orders
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.
full breakdown
Sniper Elite: Nazi Zombie Army →
full breakdown
Tom Clancy's Splinter Cell: Conviction →