head to head
vs
Grid 2vsTwisted Metal: Head-On
Grid 2 leans Execution (Practiced Mastery); Twisted Metal: Head-On leans Execution (Pure Mechanics).
Grid 2Twisted Metal: Head-On
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads2 vs 4
Twisted Metal: Head-On leans harder on reads: Multiplayer duels reward predicting opponents' weapon timing
Variance1 vs 2
Twisted Metal: Head-On leans harder on variance: Pickup spawns add some run-to-run scramble
Optimization5 vs 4
Grid 2 leans harder on optimization: Racing lines, braking points and car selection are studyable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.