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

Execution · Practiced Mastery
Steady aim against scripted alien swarms with an upgrade economy underneath.

Execution · Practiced Mastery
Sega's arcade fantasy brawler of barbarians, dragons, and gnome-kicking for potions.
Alien Breed: Impact leans Execution (Practiced Mastery); Golden Axe leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Alien Breed: Impact
Kiting alien swarms top-down demands steady aim and movement
Golden Axe
Spacing, throws, and mount control under arcade pressure
Golden Axe leans a little harder on reads, though the gap is small.
Alien Breed: Impact
Aliens swarm on scripts, never modelling you
Golden Axe
Enemies are scripted; only co-op adds human texture
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Alien Breed: Impact
Ambush triggers are scripted-but-unknown first time through
Golden Axe
Enemy mixes vary little between credits
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Alien Breed: Impact
Weapon upgrades and ammo economy reward planning
Golden Axe
Wave patterns and magic usage are fully learnable
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.