head to head
vs
World of GoovsZup! X
World of Goo leans Optimization (Pure Optimization); Zup! X leans Optimization (Pure Optimization).
World of GooZup! X
Axis by axis
Execution3 vs 3
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization8 vs 7
World of Goo leans harder on optimization: Tower structure and goo economy are solvable per level
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.