Solo-play answer / checked August 7, 2026

Start the expedition
by yourself.

Nintendo lists solo play as a supported option. Online membership requirements apply to online features, not to the existence of the solo mode.

Read the first-play guide

You do not need a party to begin.

Nintendo's store description lists solo play alongside two-to-four-player online and local wireless options. The public listing does not provide a detailed solo campaign length, companion AI description, or mission-by-mission guide.

Confirmed

One player

Solo play is listed by Nintendo.

Online membership

For online features

Nintendo lists a Nintendo Switch Online membership for online features.

Not published

Solo length

No official campaign-hour estimate is used here.

Source: Nintendo Store listing.

The same published premise still applies.

Nintendo describes The Mechanic travelling through the Spirhalite Islands with Deep Cut, recovering loot, and customizing a tank and gadgets. That is the official setup; this page does not invent solo-only systems or difficulty advice.

Meet the named characters →Compare difficulty names →

Solo-play questions.

Can I play Splatoon Raiders alone?

Yes. Nintendo lists solo play.

Do I need Nintendo Switch Online to play solo?

Nintendo names Nintendo Switch Online for online features. Its listing separately includes solo play.

Is the solo campaign length confirmed?

No. Nintendo's cited listing does not provide an official playtime estimate.

Solo is confirmed; extra details need evidence.

Use Nintendo's live page for current service terms and availability.

Check Nintendo