head to head
vs
Half-Life Deathmatch: SourcevsQuake
Half-Life Deathmatch: Source leans Execution (Pure Mechanics); Quake leans Execution (Pure Mechanics).
Half-Life Deathmatch: SourceQuake
Axis by axis
Execution8 vs 9
Quake leans harder on execution: Rocket aim and movement tech ceiling massive.
Reads4 vs 3
Half-Life Deathmatch: Source leans harder on reads: Predicting human movement and spawn timing matters
Variance1 vs 1
Even - both lean on variance about the same.
Optimization4 vs 4
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.