head to head
Deus Ex: Invisible WarvsUndertale
Deus Ex: Invisible War leans Optimization (Pure Optimization); Undertale leans Optimization (Pure Optimization).
Deus Ex: Invisible WarUndertale
Axis by axis
Execution4 vs 4
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
Deus Ex: Invisible War leans harder on variance: Level secrets are unknown only on first pass.
Optimization8 vs 7
Deus Ex: Invisible War leans harder on optimization: Biomod choices and route selection are the deciding layer.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

