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

Does Tannenberg have PvP?

Yes, Tannenberg has player-versus-player modes.

Do we both need to own Tannenberg to play together?

Yes. Tannenberg 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 Tannenberg?

About 23 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 › Shooter › Competitive shooter

Is Tannenberg multiplayer or co-op?

Yes — PvP. Tannenberg is a competitive shooter game released in 2017, 86% positive on Steam (9,499 reviews), with 23 playing right now. $19.99 on Steam.

PvPSingle-player tooShooter · Competitive shooter

Experience authentic First World War action with 64 player battles of maneuver on the Eastern Front. Grab your rifle, ready your sabre and keep your gas mask…

How Tannenberg 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: Gore, World War I, Team-Based, Shooter, PvP, FPS, Realistic, Horror

Do you and a friend both own Tannenberg?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Tannenberg 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 Tannenberg? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Tannenberg co-op?: Tannenberg does not list co-op on Steam; it has PvP, Single-player too.
Does Tannenberg have PvP?: Yes, Tannenberg has player-versus-player modes.
Do we both need to own Tannenberg to play together?: Yes. Tannenberg 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 Tannenberg?: About 23 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