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
Atmospheric first-person puzzle solving driven by exploration and symbol logic.

Optimization · Pure Optimization
Sci-fi thriller played as the station AI solving its own crisis.
Gray Dawn leans Optimization (Pure Optimization); Observation leans Optimization (Pure Optimization).
Observation leans a little harder on execution, though the gap is small.
Gray Dawn
Walking and examining objects needs no dexterity
Observation
Camera control and interface manipulation
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gray Dawn
Scripted visions never adapt to the player
Observation
Events are fully authored
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Gray Dawn
Clue locations are unknown only until explored
Observation
Mystery unknown until uncovered
Gray Dawn leans a little harder on optimization, though the gap is small.
Gray Dawn
Piecing religious symbol puzzles together is the test
Observation
Systems puzzles and station schematics solving
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.