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

Optimization · Systems & Chaos
A visual novel thriller mixing escape-room puzzles with branching life-or-death story routes.

Optimization · Pure Optimization
Tests lateral puzzle deduction to uncover a button panel's hidden endings.
999: Nine Hours, Nine Persons, Nine Doors leans Optimization (Systems & Chaos); Please, Don't Touch Anything leans Optimization (Pure Optimization).
Please, Don't Touch Anything leans a little harder on execution, though the gap is small.
999: Nine Hours, Nine Persons, Nine Doors
Tapping through text and puzzles, zero dexterity
Please, Don't Touch Anything
Pressing buttons takes no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
999: Nine Hours, Nine Persons, Nine Doors
Characters follow a fixed script, never adapt
Please, Don't Touch Anything
The panel is a fixed riddle, not a mind
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
999: Nine Hours, Nine Persons, Nine Doors
Hidden story branches and twists drive first playthroughs
Please, Don't Touch Anything
Hidden endings are unknown information to uncover
Please, Don't Touch Anything leans a little harder on optimization, though the gap is small.
999: Nine Hours, Nine Persons, Nine Doors
Escape-room puzzles and route flowchart are fully solvable
Please, Don't Touch Anything
Decoding the panel's cryptic logic is pure puzzle-solving
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.
full breakdown
999: Nine Hours, Nine Persons, Nine Doors →
full breakdown
Please, Don't Touch Anything →