head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
The original open-ended tropical shooter testing long-range aim and approach planning.

Execution · Pure Mechanics
Namco's lavish Galaga sequel adds dimension warps and ship-stacking to classic formation shooting.
Far Cry leans Execution (Practiced Mastery); Galaga '88 leans Execution (Pure Mechanics).
Galaga '88 leans a little harder on execution, though the gap is small.
Far Cry
Long-range gunplay against sharp-eyed mercenaries
Galaga '88
Precise dodging and shooting through dense dive patterns.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Far Cry
AI flanks but follows mappable behaviour
Galaga '88
Aliens attack on choreographed scripts.
Galaga '88 leans a little harder on variance, though the gap is small.
Far Cry
Patrols vary slightly per attempt
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.
Far Cry
Approach planning across open tropical maps
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.