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

Optimization · Practiced Mastery
Planning squad approaches to scripted missions where one mistake kills.

Execution · Practiced Mastery
An action-leaning stealth entry where aggressive optimal clears replace pure ghosting.
Hidden & Dangerous 2 leans Optimization (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.
Hidden & Dangerous 2
Deliberate aim and stealth movement punish sloppy hands
Tom Clancy's Splinter Cell: Conviction
Mark-and-execute flow rewards quick, accurate play
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Hidden & Dangerous 2
German AI follows patrol scripts, not adapting to you
Tom Clancy's Splinter Cell: Conviction
Enemies search via scripted last-known-position logic
Hidden & Dangerous 2 leans a little harder on variance, though the gap is small.
Hidden & Dangerous 2
Patrol routes and enemy positions are unknown first attempt
Tom Clancy's Splinter Cell: Conviction
Mild uncertainty in enemy search behavior
Hidden & Dangerous 2 leans a little harder on optimization, though the gap is small.
Hidden & Dangerous 2
Squad planning, loadouts and approach routing decide missions
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.