head to head
Ken Follett's The Pillars of the EarthvsThe Walking Dead
Ken Follett's The Pillars of the Earth leans Optimization (Light / Casual); The Walking Dead leans Variance (Light / Casual).
Ken Follett's The Pillars of the EarthThe Walking Dead
Axis by axis
Execution1 vs 1
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 2
Ken Follett's The Pillars of the Earth leans harder on optimization: Puzzles are sparse and single-solution
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

