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.

Optimization · Pure Optimization
A perfect-information tactics puzzle solved one turn at a time.

Optimization · Pure Optimization
A first-person factory builder that is pure logistics optimization.
Into the Breach leans Optimization (Pure Optimization); Satisfactory leans Optimization (Pure Optimization).
Satisfactory leans a little harder on execution, though the gap is small.
Into the Breach
No mechanical inputs
Satisfactory
Light platforming, no real mechanical ceiling.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Into the Breach
Enemy moves telegraphed fully each turn
Satisfactory
No adaptive opponent in the world.
Into the Breach leans a little harder on variance, though the gap is small.
Into the Breach
Light spawn and squad randomness
Satisfactory
Resource nodes are fixed once mapped.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Into the Breach
Pure puzzle - perfect-information chess each turn
Satisfactory
Ratios, logistics, and factory layout are everything.
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.