head to head
vs
The MessengervsThe World's Hardest Game
The Messenger leans Execution (Practiced Mastery); The World's Hardest Game leans Execution (Pure Mechanics).
The MessengerThe World's Hardest Game
Axis by axis
Execution7 vs 8
The World's Hardest Game leans harder on execution: Pixel-precise dodging through dot patterns is everything
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
The Messenger leans harder on variance: deterministic level design
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.