head to head
Four Last ThingsvsSteins;Gate
Four Last Things leans Optimization (Systems & Chaos); Steins;Gate leans Optimization (Pure Optimization).
Four Last ThingsSteins;Gate
Axis by axis
Execution0 vs 0
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 1
Four Last Things leans harder on variance: Absurd puzzle logic is hidden until stumbled upon
Optimization4 vs 4
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

