head to head
Painkiller (2004)vsThe Callisto Protocol
Painkiller (2004) leans Execution (Pure Mechanics); The Callisto Protocol leans Execution (Pure Mechanics).
Painkiller (2004)The Callisto Protocol
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 1
The Callisto Protocol leans harder on reads: Mutants follow telegraphed scripted attack patterns
Variance2 vs 3
The Callisto Protocol leans harder on variance: Some loot containers and drop variability add mild uncertainty
Optimization5 vs 5
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

