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

Optimization · Pure Optimization
Cozy space exploration and base-building sandbox.

Optimization · Pure Optimization
Renovation sim about cleaning and flipping houses.
Astroneer leans Optimization (Pure Optimization); House Flipper 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.
Astroneer
Light terrain tool inputs
House Flipper
Click-and-drag cleaning and placement
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Astroneer
No adaptive opponents
House Flipper
No adaptive opponents
Astroneer leans a little harder on variance, though the gap is small.
Astroneer
Planet resource distribution
House Flipper
Light job variety
Astroneer leans a little harder on optimization, though the gap is small.
Astroneer
Base layout, power chains, automation
House Flipper
Renovation routing, budget, profit margins
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.