Does Fortified have PvP?

Steam does not list PvP for Fortified.

Do we both need to own Fortified to play together?

Yes. Fortified 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 Fortified?

About 1 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 › Co-op horde shooter

Is Fortified multiplayer or co-op?

Yes — co-op. Fortified is a co-op horde shooter game released in 2016, 75% positive on Steam (1,710 reviews), with 1 playing right now. $14.99 on Steam.

Co-opSingle-player tooShooter · Co-op horde shooter

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp…

How Fortified plays with friends, according to Steam

Online co-op: Not listed on Steam
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
Controller: Full 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: Action, Tower Defense, Indie, Co-op, Strategy, Multiplayer, Third-Person Shooter, Aliens

Do you and a friend both own Fortified?

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

Quick answers

Is Fortified co-op?: Yes, Fortified supports co-op.
Does Fortified have PvP?: Steam does not list PvP for Fortified.
Do we both need to own Fortified to play together?: Yes. Fortified 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 Fortified?: About 1 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