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
The first Dishonored: a stealth-action playground of layered powers.

Optimization · Practiced Mastery
Methodically mapping a hostile station where knowledge and routing beat reflexes.
Dishonored leans Optimization (Practiced Mastery); System Shock 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.
Dishonored
Blink timing and combat inputs matter.
System Shock
Combat and cyberspace ask competent but dated reflexes
Dishonored leans a little harder on reads, though the gap is small.
Dishonored
Guard AI scripted, non-adaptive.
System Shock
SHODAN's threats are scripted, not an adapting mind
System Shock leans a little harder on variance, though the gap is small.
Dishonored
Patrol timings vary mildly.
System Shock
Citadel's layout and logs are hidden until uncovered
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dishonored
Power combos and stealth routes solvable.
System Shock
Inventory, routing and station knowledge solve the 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.