head to head
vs
Half-Life 2vsMario & Sonic at the Olympic Winter Games
Half-Life 2 leans Execution (Pure Mechanics); Mario & Sonic at the Olympic Winter Games leans Execution (Pure Mechanics).
Half-Life 2Mario & Sonic at the Olympic Winter Games
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads1 vs 2
Mario & Sonic at the Olympic Winter Games leans harder on reads: Local human rivals add mild prediction in head-to-head events
Variance1 vs 2
Mario & Sonic at the Olympic Winter Games leans harder on variance: Events are fixed; minor physics wobble
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.