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 · Systems & Chaos
Surviving in a satirical space debris field by solving oxygen management and a dry crafting progression.

Optimization · Pure Optimization
Open-world detective work testing evidence deduction without hand-holding.
Breathedge leans Optimization (Systems & Chaos); The Sinking City 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.
Breathedge
Space EVA and crafting have minimal twitch demands
The Sinking City
Clunky combat is deliberately undemanding
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Breathedge
No meaningful adversary; threats are scripted and avoidable
The Sinking City
Monsters and citizens follow fixed scripts
Breathedge leans a little harder on variance, though the gap is small.
Breathedge
Debris field resource distribution carries moderate randomness
The Sinking City
Case clues are hidden information until investigated
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Breathedge
Oxygen management, crafting order, and exploration routing are the solvable loop
The Sinking City
Cross-referencing evidence and city archives is the deduction core
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.