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

Optimization · Pure Optimization
Engineering structurally sound brick builds under physical constraints.

Optimization · Pure Optimization
A career sim about diagnosing, repairing and assembling customer PCs on a budget.
LEGO Bricktales leans Optimization (Pure Optimization); PC Building Simulator leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Bricktales
Placing bricks needs care, not speed
PC Building Simulator
Careful part assembly is procedural, not twitchy.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Bricktales
No opponent in a diorama
PC Building Simulator
No opponent; clients issue fixed job tickets.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Bricktales
Puzzles are fixed once seen
PC Building Simulator
Job orders vary slightly day to day.
PC Building Simulator leans a little harder on optimization, though the gap is small.
LEGO Bricktales
Engineering stable builds within constraints is the test
PC Building Simulator
Diagnosing builds and budgeting parts for jobs is the whole 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.