head to head
vs
Defense Grid 2vsWorld of Goo
Defense Grid 2 leans Optimization (Pure Optimization); World of Goo leans Optimization (Pure Optimization).
Defense Grid 2World of Goo
Axis by axis
Execution2 vs 3
World of Goo leans harder on execution: Placing goo balls needs only mild precision
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
Defense Grid 2 leans harder on optimization: Maze routing and tower economy are a solvable puzzle
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.