Multiplayer

100 Days At Sea multiplayer and crew size.

This page separates confirmed Roblox server data and public crew badges from unverified co-op assumptions.

Direct answer

100 Days At Sea multiplayer is supported by public data: the Roblox API lists 27 max players, and public badges include solo, duo, trio, four-player, and five-player 100-day survival milestones.

Current 100 Days At Sea multiplayer facts

The strongest 100 Days At Sea multiplayer fact is the official Roblox API maxPlayers value: 27. That does not explain every matchmaking rule, but it confirms the experience supports servers larger than a small private duo run.

Public Roblox badge names also support crew-size coverage. The badge list includes All Alone for surviving 100 days completely solo, Blunder Buddies for a duo, Three’s a party for a trio, Four is plenty for a group of four, and And they were crewmates… for surviving 100 days in a full group of five.

Crew-size badge signals

Crew questionPublic signalWhat it means
SoloAll AloneSolo 100-day survival is a named badge milestone.
DuoBlunder BuddiesDuo 100-day survival is a named badge milestone.
TrioThree’s a partyTrio 100-day survival is a named badge milestone.
Four playersFour is plentyFour-player 100-day survival is a named badge milestone.
Five playersAnd they were crewmates…A full group of five has a named 100-day milestone.
Larger servers27 max playersThe Roblox API max player count is larger than the crew badge sizes.

What is still unknown

This 100 Days At Sea multiplayer page does not claim exact private server behavior, party queue rules, cross-device rules, role assignments, or optimal crew composition. Those details need official notes or hands-on checks.

How to use multiplayer info

Use the 100 Days At Sea multiplayer page to decide whether you want a solo challenge or a badge-oriented crew run. If you are planning with friends, treat the crew-size badge names as goals, then use the gameplay and systems pages for broader survival priorities.