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
Solving an interstellar logistics and power-engineering puzzle to construct a Dyson Sphere.

Optimization · Pure Optimization
A perfect-information tactics puzzle solved one turn at a time.
Dyson Sphere Program leans Optimization (Pure Optimization); Into the Breach leans Optimization (Pure Optimization).
Dyson Sphere Program leans a little harder on execution, though the gap is small.
Dyson Sphere Program
All input is construction clicks with no combat ceiling
Into the Breach
No mechanical inputs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dyson Sphere Program
No adversary exists in the default game mode
Into the Breach
Enemy moves telegraphed fully each turn
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dyson Sphere Program
Star system layouts vary per seed but are fully mappable
Into the Breach
Light spawn and squad randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dyson Sphere Program
Interstellar logistics and sphere construction are a pure engineering optimisation problem
Into the Breach
Pure puzzle - perfect-information chess each turn
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.