head to head
vs
Aero Fighters 2vsDoom (1993)
Aero Fighters 2 leans Execution (Practiced Mastery); Doom (1993) leans Execution (Pure Mechanics).
Aero Fighters 2Doom (1993)
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 3
Doom (1993) leans harder on variance: Enemy placement is fixed but unknown on first run through levels
Optimization6 vs 5
Aero Fighters 2 leans harder on optimization: Memorising waves, bomb timing and power-up routes drives clears
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.