head to head
vs
Silent Hill 2 (2001)vsSonic Eraser
Silent Hill 2 (2001) leans Optimization (Pure Optimization); Sonic Eraser leans Optimization (Practiced Mastery).
Silent Hill 2 (2001)Sonic Eraser
Axis by axis
Execution3 vs 4
Sonic Eraser leans harder on execution: Placing pieces fast helps but isn't twitch-defining
Reads1 vs 4
Sonic Eraser leans harder on reads: Versus mode rewards predicting opponent's board state
Variance3 vs 4
Sonic Eraser leans harder on variance: Falling piece order is randomized
Optimization6 vs 6
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.