head to head
Galaga '88 asks more than DOOM (2016), and the gap is variance.

Execution · Pure Mechanics
Push-forward arena FPS where movement and aim are the whole game.

Execution · Pure Mechanics
Namco's lavish Galaga sequel adds dimension warps and ship-stacking to classic formation shooting.
DOOM (2016) leans Execution (Pure Mechanics); Galaga '88 leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
DOOM (2016)
Aim, movement, glory-kill timing all peak.
Galaga '88
Precise dodging and shooting through dense dive patterns.
DOOM (2016) leans a little harder on reads, though the gap is small.
DOOM (2016)
Demons scripted attack patterns.
Galaga '88
Aliens attack on choreographed scripts.
Galaga '88 leans clearly harder on variance.
DOOM (2016)
Minimal encounter randomness.
Galaga '88
Dive timing and dimension-warp triggers vary.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
DOOM (2016)
Rune and weapon mod picks meaningful.
Galaga '88
Triple-ship management and warp routing reward planning.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.