Quick answer
Players obtain nautical charts to locate remote islands, treasure hunt, and befriend rare animals not found on the mainland.
Confirmed evidence
- Charts are the named discovery tool
- islands contain treasure opportunities
- some animals are island-specific.
- Primary source: Natsume title announcement, dated 2026-03-11.
How to use this answer
Build the future walkthrough around verified chart acquisition and island access steps after launch.
Check the dated first-party source.
Separate the confirmed fact from platform, retailer, or story assumptions.
Recheck the live listing before acting on changing data.
What this does not confirm
The number of charts, islands, treasures, and taming requirements has not been published.
Source and review date
Natsume title announcement · 2026-03-11. Editorial review: 2026-07-31.