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

Optimization · Pure Optimization
Solving a civilisation-scale resource and governance puzzle before an ecological deadline.

Optimization · Pure Optimization
A break-and-boost JRPG carried by job-routing and party-composition planning.
Eco leans Optimization (Pure Optimization); Octopath Traveler 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.
Eco
No twitch element; all actions are build and craft clicks
Octopath Traveler
Turn-based, no input demand
Eco leans a little harder on reads, though the gap is small.
Eco
Other players add mild human negotiation reads in multiplayer
Octopath Traveler
Scripted enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Eco
Meteor timer and ecosystem variables carry some hidden uncertainty
Octopath Traveler
Hit, crit, and break rolls
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Eco
Government systems, specialisation routing, and ecosystem management are richly solvable
Octopath Traveler
Job, break-boost, party routing deeply rewarded
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.