Phantom Blade Zero is listed as single-player on its official Steam store page. S-GAME has not published an official multiplayer, co-op, PvP, or online-mode announcement in the sources reviewed for this guide.
Confirmed play mode
The Steam listing labels the game single-player. That is the current confirmed answer for players asking whether they can play with friends. It should be treated as the store's present product information, not as a prediction that no online feature could ever be announced later.
No confirmed co-op or PvP details
There is no published official rule set for co-op, matchmaking, invasions, competitive modes, cross-play, or online progression. Social-media posts and trailer speculation do not replace an announcement from S-GAME or an updated official store listing. Avoid buying the game on the assumption that a multiplayer mode exists.
Check again near release
The official release date is October 29, 2026. Before purchase, revisit the Steam, PlayStation, or Epic listing for the current mode labels in your region. If S-GAME announces any online feature, this guide should be updated from that direct source instead of guessing from gameplay footage.
Official sources
Official website: https://pbz.s-game.com/
Official Steam store page: https://store.steampowered.com/app/4115450/Phantom_Blade_Zero?utm_source=officialwebsite