head to head
vs
ObservationvsThe Solus Project
Observation leans Optimization (Pure Optimization); The Solus Project leans Optimization (Pure Optimization).
ObservationThe Solus Project
Axis by axis
Execution2 vs 2
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 3
The Solus Project leans harder on variance: Alien caves hidden until explored, single playthrough mostly
Optimization5 vs 6
The Solus Project leans harder on optimization: Managing temperature, hunger, and route planning drives survival
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.