head to head
vs
Garry's ModvsSilent Hill 2
Garry's Mod leans Reads (Light / Casual); Silent Hill 2 leans Execution (Light / Casual).
Garry's ModSilent Hill 2
Axis by axis
Execution2 vs 3
Silent Hill 2 leans harder on execution: clunky combat with modest execution demand
Reads3 vs 1
Garry's Mod leans harder on reads: Social deduction modes like TTT involve humans
Variance3 vs 3
Even - both lean on variance about the same.
Optimization3 vs 3
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.