head to head
vs
Mario Kart 8vsStumble Guys
Mario Kart 8 leans Execution (Twitch Chaos); Stumble Guys leans Variance (Twitch Chaos).
Mario Kart 8Stumble Guys
Axis by axis
Execution6 vs 5
Mario Kart 8 leans harder on execution: precise drifting and item timing matter
Reads1 vs 2
Stumble Guys leans harder on reads: Light jostling with humans, little true prediction
Variance6 vs 6
Even - both lean on variance about the same.
Optimization5 vs 2
Mario Kart 8 leans harder on optimization: track lines and item strategy solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.