head to head
vs
GrisvsThe Letter
Gris leans Execution (Light / Casual); The Letter leans Optimization (Light / Casual).
GrisThe Letter
Axis by axis
Execution2 vs 1
Gris leans harder on execution: Gentle platforming with no fail state
Reads0 vs 1
The Letter leans harder on reads: No adaptive opponent; choices drive branches
Variance1 vs 1
Even - both lean on variance about the same.
Optimization2 vs 2
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.