head to head
vs
Poly Bridge 2vsZoo Tycoon
Poly Bridge 2 leans Optimization (Pure Optimization); Zoo Tycoon leans Optimization (Pure Optimization).
Poly Bridge 2Zoo Tycoon
Axis by axis
Execution1 vs 0
Poly Bridge 2 leans harder on execution: Mouse-driven building has no dexterity pressure
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization9 vs 8
Poly Bridge 2 leans harder on optimization: Budget-constrained engineering is a pure optimization problem
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.