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

Execution · Pure Mechanics
A block-breaker testing paddle precision and reaction against accelerating ball physics.

Execution · Pure Mechanics
A high-intensity wave shooter testing sustained accuracy and stamina against unrelenting scripted enemy hordes.
Arkanoid DS leans Execution (Pure Mechanics); Serious Sam 3: BFE 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.
Arkanoid DS
Precise paddle control to keep the ball alive
Serious Sam 3: BFE
Iron-sights mechanics add precision demand on top of classic crowd control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Arkanoid DS
Solo block-breaker, no opponent to model
Serious Sam 3: BFE
All enemies follow scripted wave patterns throughout the campaign
Arkanoid DS leans a little harder on variance, though the gap is small.
Arkanoid DS
Power-up drops are randomized each play
Serious Sam 3: BFE
Encounter layout is consistent and fully learnable after one pass
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Arkanoid DS
Brick-clearing order and angles reward planning
Serious Sam 3: BFE
Weapon economy and grenade usage offer a thin planning layer
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.