head to head
Ghost Blade HDvsTetris Effect: Connected
Ghost Blade HD leans Execution (Pure Mechanics); Tetris Effect: Connected leans Execution (Pure Mechanics).
Ghost Blade HDTetris Effect: Connected
Axis by axis
Execution9 vs 9
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance3 vs 3
Even - both lean on variance about the same.
Optimization5 vs 4
Ghost Blade HD leans harder on optimization: Scoring chains and pattern learning improve runs
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

