head to head
vs
Project ZomboidvsWall World
Project Zomboid leans Optimization (Pure Optimization); Wall World leans Optimization (Systems & Chaos).
Project ZomboidWall World
Axis by axis
Execution3 vs 4
Wall World leans harder on execution: Manual mining and fending off monster waves needs moderate dexterity
Reads0 vs 0
Even - both lean on reads about the same.
Variance5 vs 5
Even - both lean on variance about the same.
Optimization8 vs 7
Project Zomboid leans harder on optimization: Skill grinding, base setup, and routing define 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.