Co-op support
1 of 6 modesSubterranauts has online co-op for up to 6 players on all 2 platforms. There is no split-screen on any platform.
Online Co-op
Up to 6 players
| Platform | Online | Couch | Split-screen | LAN | Drop-in | Campaign | Online max | Local max |
|---|---|---|---|---|---|---|---|---|
 | 6 | – | ||||||
| 6 | – |
supportednot supportedVerified against Steam store categories and Co-Optimus
Not supported/Local Co-op · Split-screen · LAN Play · Drop-in / Drop-out · Campaign Co-op
About
Subterranauts is an adventure / indie game released on Oct 18, 2025 across 2 platforms.
Screenshots
Details
ReleasedOct 18, 2025
Developer—
Publisher—
Age rating—
Players1–6
Steam reviews77% of 231 · Mostly Positive
Available on
PC1 of 6
Tags
ActionHorrorOnline MultiplayerPost-ApocalypticProximity Voice ChatWasteland
