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Is Crossfire: Sierra Squad multiplayer or co-op?

Yes — co-op. Crossfire: Sierra Squad is a classic & campaign shooter game released in 2023, 72% positive on Steam (463 reviews), with 4 playing right now. $17.99 on Steam.

Co-opSingle-player tooShooter · Classic & campaign shooter

Fierce military arcade shooter in VR for single-player and co-op multiplayer. Drop into a variety of indoor…

How Crossfire: Sierra Squad plays with friends, according to Steam

Online co-op
Yes
Local / split-screen co-op
Not listed on Steam
Online PvP
Not listed on Steam
LAN play
Not listed on Steam
Single-player mode
Yes

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: FPS, PvE, VR, Action-Adventure, Shooter, Arcade, First-Person, Story Rich

Do you and a friend both own Crossfire: Sierra Squad?

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

Do you and a friend both own Crossfire: Sierra Squad?Free, no login — uses public Steam profiles.

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Tired of Crossfire: Sierra Squad? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Crossfire: Sierra Squad co-op?
Yes, Crossfire: Sierra Squad supports co-op.
Does Crossfire: Sierra Squad have PvP?
Steam does not list PvP for Crossfire: Sierra Squad.
Do we both need to own Crossfire: Sierra Squad to play together?
Yes. Crossfire: Sierra Squad 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 Crossfire: Sierra Squad?
About 4 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