S.O.N.A.R. - Submarine Operators Not Actually Ready pvp
S.O.N.A.R. carries a PvP tag on Steam. The competitive side is online 4v4 Team Deathmatch between two submarines, alongside the co-op modes.

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Yes — the PvP tag on S.O.N.A.R. reflects a real, advertised mode. The official Steam page lists PvP and Online PvP in the game's features and includes PvP among its popular user-defined tags. The concrete form that tag refers to is 4v4 Team Deathmatch, where two submarine crews fight each other.
In other words, S.O.N.A.R. is a co-op game that also ships a competitive mode — not a PvP game with a co-op skin. If you came for the "everyone yelling at the same sonar screen" experience, that is still the headline; PvP is a separate way to play.
What the PvP mode is
The developer's pre-playtest announcement for the final S.O.N.A.R. playtest (23 September 2026) described "intense 4v4 multiplayer battles between two submarines," running alongside the classic co-op mission. The release-date announcement (14 September 2026) lists the launch modes as Campaign, Team Deathmatch 4 vs 4, Survival Mode and Tutorial training.
PvP was exercised before launch rather than merely promised: the playtest ran 24–28 September 2026, and the developer's recap praised how players performed in the 4v4 Team Deathmatch mode, with a Discord crew championship built around it.
So a PvP match means two opposing submarines and two crews of four — a competitive layer over the same submarine systems you learn in co-op.

How PvP sits next to co-op
| Co-op | PvP | |
|---|---|---|
| Shape | One crew, one submarine | Two crews, two submarines |
| Advertised size | 1–6 players in the Steam blurb; the About section describes up to four crew managing nine stations | 4v4 |
| Official listing | Multi-player, Co-op, Online Co-op | PvP, Online PvP |
| Goal | Complete missions under pressure | Team Deathmatch between crews |
The cooperative side is where the station work lives — navigation, diving, sonar, periscope, engineering, weapons, damage control — and the store page describes proximity voice chat in that crew context. The competitive mode takes the same framing (crews, submarines, chaos) and points it at another team instead of the environment.
What the listings do and don't spell out
- The official Steam page (checked 2026-10-22) names Online PvP; it does not list local or split-screen PvP among its features.
- Matchmaking rules, party sizes beyond 4v4, whether you can queue alone, dedicated servers and ranking are not described on the official Steam page. Treat any claim about those as unconfirmed until the developer publishes details.
- The Steam Next Fest demo announcement (19 October 2026) describes a co-op mission, a single-player tutorial and training stations; it does not say whether Team Deathmatch is playable in the demo. The demo runs 19–26 October 2026, and the full game releases 29 October 2026.
- Platform details in the materials are Windows-focused: the Steam system requirements list Windows 10/11.

Next steps
FAQ
Does S.O.N.A.R. really have a PvP tag?
Yes. The official Steam page carries PvP and Online PvP in its features and lists PvP among the product's popular user tags, and the developer has described a 4v4 Team Deathmatch mode.
Is S.O.N.A.R. PvP or co-op?
Both, as separate modes. Co-op (the campaign and missions) is the main pitch, with a crew managing stations together; Team Deathmatch 4 vs 4 is the competitive option listed for launch.
How many players are in a S.O.N.A.R. PvP match?
4v4 — two crews of four in opposing submarines, based on the developer's description of Team Deathmatch as 4v4 battles between two submarines.
Was PvP playable before release?
Yes, in the final playtest of 24–28 September 2026, which featured 4v4 Team Deathmatch alongside a co-op mission. The developer's recap singled out player performance in that mode.
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