head to head
vs
Grim DawnvsProject Gorgon
Grim Dawn leans Optimization (Pure Optimization); Project Gorgon leans Optimization (Pure Optimization).
Grim DawnProject Gorgon
Axis by axis
Execution4 vs 3
Grim Dawn leans harder on execution: Boss fights and Crucible have limited twitch demand
Reads1 vs 1
Even - both lean on reads about the same.
Variance4 vs 4
Even - both lean on variance about the same.
Optimization9 vs 8
Grim Dawn leans harder on optimization: Dual-class mastery system and devotion tree are extensively 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.