head to head
vs
Helldivers 2vsTom Clancy's Rainbow Six: Vegas 2
Helldivers 2 leans Optimization (Practiced Mastery); Tom Clancy's Rainbow Six: Vegas 2 leans Execution (Practiced Mastery).
Helldivers 2Tom Clancy's Rainbow Six: Vegas 2
Axis by axis
Execution6 vs 7
Tom Clancy's Rainbow Six: Vegas 2 leans harder on execution: Cover-based gunfights still punish poor aim
Reads2 vs 3
Tom Clancy's Rainbow Six: Vegas 2 leans harder on reads: Multiplayer brings some human adaptation; AI is scripted
Variance6 vs 3
Helldivers 2 leans harder on variance: Patrol spawns and modifiers shake missions
Optimization7 vs 6
Helldivers 2 leans harder on optimization: Loadout and stratagem synergies deep
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.