head to head
vs
Circle of BloodvsSecond Life
Circle of Blood leans Optimization (Light / Casual); Second Life leans Optimization (Mind & Math).
Circle of BloodSecond Life
Axis by axis
Execution1 vs 0
Circle of Blood leans harder on execution: no physical skill, point-and-click
Reads0 vs 2
Second Life leans harder on reads: Social and market dealings involve real people
Variance1 vs 1
Even - both lean on variance about the same.
Optimization3 vs 4
Second Life leans harder on optimization: Linden economy and content creation reward savvy
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.