Intruder does not list co-op on Steam; it has PvP.

Does Intruder have PvP?

Yes, Intruder has player-versus-player modes.

Do we both need to own Intruder to play together?

Yes. Intruder 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 Intruder?

About 9 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 › Tactical & milsim

Is Intruder multiplayer or co-op?

Yes — PvP. Intruder is a tactical & milsim game released in 2019, 90% positive on Steam (6,583 reviews), with 9 playing right now. $19.99 on Steam.

PvPShooter · Tactical & milsim

The ultimate spy-vs-guards simulator. Carefully sneak your way to the objective as Intruders or use the wide variety of tactical gadgets to trap your opponents…

How Intruder 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
Mods: Steam Workshop

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: Multiplayer, Stealth, Tactical, First-Person, Team-Based, Simulation, FPS, Shooter

Do you and a friend both own Intruder?

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

Or open the Steam store page.

Games like Intruder you can play together

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Arma Reforger

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Squad

Tactical & milsim · 83% positive on Steam (210,551 reviews) · 9,116 playing right now

Arma 3

Tactical & milsim · 90% positive on Steam (283,264 reviews) · 7,181 playing right now

Ready or Not

Tactical & milsim · 89% positive on Steam (236,196 reviews) · 4,296 playing right now

Hell Let Loose

Tactical & milsim · 82% positive on Steam (137,677 reviews) · 3,380 playing right now

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

Quick answers

Is Intruder co-op?: Intruder does not list co-op on Steam; it has PvP.
Does Intruder have PvP?: Yes, Intruder has player-versus-player modes.
Do we both need to own Intruder to play together?: Yes. Intruder 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 Intruder?: About 9 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