Yes, Forts has player-versus-player modes.

Do we both need to own Forts to play together?

Yes. Forts 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 Forts?

About 379 players were in-game when this page's data was last refreshed (2026-09-09).

Can you play Forts on LAN?

Yes. Steam lists LAN co-op and LAN PvP for Forts, so it works on a local network without the game's online servers.

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Sandbox & building › Physics sandbox

Is Forts multiplayer or co-op?

Yes — co-op and PvP. Forts is a physics sandbox game released in 2017, 92% positive on Steam (22,321 reviews), with 379 playing right now. $8.99 on Steam.

Co-opPvPSingle-player tooSandbox & building · Physics sandbox

Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling…

How Forts plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Yes
Single-player mode: Yes
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: Base-Building, Multiplayer, Physics, Strategy, Destruction, Building, Moddable, Sandbox

Do you and a friend both own Forts?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Forts 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 Forts you can play together

Garry's Mod

Physics sandbox · 97% positive on Steam (1,159,707 reviews) · 18,400 playing right now

Teardown

Physics sandbox · 96% positive on Steam (109,462 reviews) · 1,984 playing right now

Human Fall Flat

Physics sandbox · 95% positive on Steam (213,640 reviews) · 950 playing right now

Totally Accurate Battle Simulator

Physics sandbox · 98% positive on Steam (135,943 reviews) · 1,299 playing right now

Brick Rigs

Physics sandbox · 95% positive on Steam (50,122 reviews) · 983 playing right now

Trailmakers

Physics sandbox · 92% positive on Steam (28,047 reviews) · 903 playing right now

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

Quick answers

Is Forts co-op?: Yes, Forts supports co-op.
Does Forts have PvP?: Yes, Forts has player-versus-player modes.
Do we both need to own Forts to play together?: Yes. Forts 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 Forts?: About 379 players were in-game when this page's data was last refreshed (2026-09-09).
Can you play Forts on LAN?: Yes. Steam lists LAN co-op and LAN PvP for Forts, so it works on a local network without the game's online servers.

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