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
Demolition puzzling that tests vehicle handling and route optimisation against a moving deadline.

Execution · Practiced Mastery
Plannable stealth routing punctuated by precise ballistic marksmanship.
Blast Corps leans Execution (Practiced Mastery); Sniper Elite III leans Execution (Practiced Mastery).
Blast Corps leans a little harder on execution, though the gap is small.
Blast Corps
Wrangling awkward demolition vehicles under timers takes real control
Sniper Elite III
Ballistic long shots demand steady, compensated aim
Sniper Elite III leans a little harder on reads, though the gap is small.
Blast Corps
No opponent - just a relentless missile carrier
Sniper Elite III
Enemy AI follows mappable alert and search routines
Sniper Elite III leans a little harder on variance, though the gap is small.
Blast Corps
Levels and carrier routes are fully fixed
Sniper Elite III
Patrol details and wind vary slightly per attempt
Blast Corps leans a little harder on optimization, though the gap is small.
Blast Corps
Finding the optimal demolition order is the puzzle core
Sniper Elite III
Open maps reward planned routes, sound masking and relocation
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.