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.

Optimization · Pure Optimization
A story-first adventure with gentle item-puzzle logic as its only test.

Optimization · Pure Optimization
Bite-sized item-combination puzzles wrapped in comedy occult cases.
Back to the Future: The Game leans Optimization (Pure Optimization); The Darkside Detective 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.
Back to the Future: The Game
Telltale point-and-click, zero dexterity
The Darkside Detective
Pointing and clicking has no physical bar
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Back to the Future: The Game
Characters follow the episodic script
The Darkside Detective
Cases are authored scripts, not adapting minds
The Darkside Detective leans a little harder on variance, though the gap is small.
Back to the Future: The Game
Puzzle solutions are hidden until found
The Darkside Detective
Solutions are hidden information until items are found
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Back to the Future: The Game
Light item-logic puzzles drive each episode
The Darkside Detective
Item-combination puzzles each have one fixed answer
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.