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.

Optimization · Systems & Chaos
A comedy toy that tests little beyond curiosity and clicking everything once.

Optimization · Pure Optimization
A dark psychological point-and-click adventure driven by fixed puzzles and a disturbing story.
Chuchel leans Optimization (Systems & Chaos); Fran Bow leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Chuchel
Clicking gags requires no dexterity
Fran Bow
Point-and-click inputs only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Chuchel
No opponent of any kind
Fran Bow
No opponents
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Chuchel
Surprise gag outcomes are unknown until clicked once
Fran Bow
Hidden story layers until discovered
Fran Bow leans a little harder on optimization, though the gap is small.
Chuchel
Simple cause-and-effect puzzles solved by experimentation
Fran Bow
Fixed puzzle solutions; fully solvable
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.