head to head
vs
SteamWorld Dig 2vsTetrisphere
SteamWorld Dig 2 leans Optimization (Practiced Mastery); Tetrisphere leans Optimization (Practiced Mastery).
SteamWorld Dig 2Tetrisphere
Axis by axis
Execution5 vs 6
Tetrisphere leans harder on execution: Quick piece placement on the rotating sphere under time pressure
Reads1 vs 0
SteamWorld Dig 2 leans harder on reads: Scripted enemies only
Variance2 vs 2
Even - both lean on variance about the same.
Optimization7 vs 7
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.