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

Execution · Pure Mechanics
Raw paddle reflexes keeping a bouncing clown alive against balloon rows.

Execution · Pure Mechanics
A punishing retro platformer where precise jump timing is everything.
Circus Atari leans Execution (Pure Mechanics); Hudson's Adventure Island 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.
Circus Atari
Paddle precision under the falling clown is everything
Hudson's Adventure Island
tight platform jumps, brutal timing windows
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Circus Atari
No opponent - pure physics reaction
Hudson's Adventure Island
fixed enemy patterns, no adaptation
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Circus Atari
Bounce angles add slight unpredictability
Hudson's Adventure Island
fruit/egg drops randomized
Hudson's Adventure Island leans a little harder on optimization, though the gap is small.
Circus Atari
Balloon-row targeting strategy is thin but present
Hudson's Adventure Island
level route and skateboard memorization
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.