Is Phantom Doctrine co-op?

Phantom Doctrine does not list co-op on Steam; it has PvP, Single-player too.

Does Phantom Doctrine have PvP?

Yes, Phantom Doctrine has player-versus-player modes.

Do we both need to own Phantom Doctrine to play together?

Yes. Phantom Doctrine is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Phantom Doctrine?

About 42 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Turn-based & grand strategy

Is Phantom Doctrine multiplayer or co-op?

Yes — PvP. Phantom Doctrine is a turn-based & grand strategy game released in 2018, 74% positive on Steam (4,494 reviews), with 42 playing right now. $39.99 on Steam.

PvPSingle-player tooStrategy · Turn-based & grand strategy

The year is 1983. The world teeters on the verge of destruction as the Cold War tightens its icy grip. East or West: trust no one, question everything. The…

How Phantom Doctrine plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Not listed on Steam
Single-player mode: Yes
Controller: Partial controller support

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Turn-Based Tactics, Strategy, Cold War, Stealth, RPG, Singleplayer, Tactical, Turn-Based

Do you and a friend both own Phantom Doctrine?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Phantom Doctrine is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

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Tired of Phantom Doctrine? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Phantom Doctrine co-op?: Phantom Doctrine does not list co-op on Steam; it has PvP, Single-player too.
Does Phantom Doctrine have PvP?: Yes, Phantom Doctrine has player-versus-player modes.
Do we both need to own Phantom Doctrine to play together?: Yes. Phantom Doctrine is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Phantom Doctrine?: About 42 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass