Isonzo: online multiplayer on PC and Steam Deck

Sep 13, 2022
2+players

PC
Xbox

Atmospheric · Simulation · Realistic

Ferocious Alpine warfare will test your tactical skills in this authentic WW1 FPS. Battle among the scenic peaks, rugged valleys and idyllic towns of northern Italy. The Great War on the Italian Front is brought to life and elevated to unexpected heights!

85%Very positive15,000 Steam reviewsMetascore 73 · OpenCritic 71 · 54% of critics recommendSteam Deck playable

Who can play

Store

Split-screen is not confirmed.
Online on PC. How many can join is not confirmed. Xbox lists 40-player online play. Not confirmed on Xbox.
Xbox lists cross-platform play; which platforms play together is not confirmed.
Whether one copy is enough is not confirmed.

SteamPrice on SteamGet it

How it plays

Is it good

85%

Very positive on Steam

of 15,000 reviewsRead on Steam (opens the store in a new tab)

Steam Deck Playable

Every way to play together

Steam lists online multiplayer for PC. Player counts and console play are not confirmed yet. 85% positive of 15,000 Steam reviews.

- PC
PCStore (how we check facts)
Same screen
Not listed
Same room, own screens
Not listed
Online
2+players, versus
- Xbox
Xbox Series X|SStore (how we check facts)
Same screen
Not confirmed
Same room, own screens
Not confirmed
Online
40+players

Play modes here come from the Steam and Xbox store listings, which give no player limits. Console play modes are not confirmed yet. How we check facts

Quick facts

Developer: BlackMill Games
Platforms: PC, Xbox Series X|S
Series: WW1 Game Series
Released: Sep 13, 2022 on PC, Xbox Series X|S and Xbox One
Controllers: Partial controller support on PC, PlayStation controllers too
Languages: Text in 12 languages

Answers

Updated October 27, 2026

Does Isonzo have couch co-op?: No same-screen play is confirmed. The Steam listing does not include it on PC. Not confirmed yet on Xbox. Online play is the way to play it together.
Is Isonzo crossplay?: Xbox lists cross-platform multiplayer; which platforms play together is not yet confirmed.
Do you need two copies of Isonzo?: No one-copy option is listed, so expect each player online to need their own copy.
What platforms is Isonzo on?: PC and Xbox Series X|S.
Does Isonzo work on Steam Deck?: Yes, with some extra steps: Steam rates it Playable for Steam Deck.
Is Isonzo free?: No, it's a paid game.

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