Is Only Fortress free?

Yes — Only Fortress is free to play, so you can install and play it without buying anything.

Is Only Fortress Steam Deck compatible?

Mostly. Valve rates Only Fortress Playable on Steam Deck: it runs, but may need some manual tweaking — a community controller layout, or zooming in on small text.

Can I play Only Fortress on Mac?

Not natively — Steam lists no macOS version of Only Fortress. Mac players would need a cloud gaming service or a Windows compatibility layer.

Does Only Fortress have co-op?

Yes — Steam lists Only Fortress with online co-op.

Does Only Fortress have crossplay?

Yes — Steam lists Only Fortress with cross-platform multiplayer, so players on Steam can play with players on other platforms. Steam does not say which platforms; the developer's site has the full list.

Is Only Fortress on PC Game Pass?

No — Only Fortress is not on PC Game Pass right now.

Only Fortress

Erikas Kontenis · September 25, 2023 · RPG, Strategy, MMORPG, RTS, Sandbox

Only Fortress is free to play — no purchase needed. We track it so you know if that ever changes.

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Mixed67% · 30

Best price

Free

Get it free on Steam

This game is free to play. Get it on Steam →

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Only Fortress price

Only Fortress is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.

About Only Fortress

Welcome to Only Fortress, the ultimate fortress-building experience where you are the hero! Dive into a world of strategic PvP and PvM challenges, where your skills and tactical prowess shape your destiny. Customize every aspect of your fortress, from the grounds to the walls, and construct buildings instantly without the hassle of waiting. Embark on epic explorations with your troops, mastering powerful spells and engaging in cross-platform battles with players from all around the world.

Unleash your creativity and design a fortress that reflects your style and strategic vision. No detail is too small in your quest for dominance.

Take control of your hero, a formidable force in combat, alongside a carefully chosen team of special hero-troops. Engage in intense battles, leveraging your character's unique abilities and unleashing devastating spells. Your hero is the key to victory!

Only Fortress — game info

Platforms: Windows
Steam Deck: Playable
Player modes: Online PvP, Online co-op, Cross-platform multiplayer
PC Game Pass: Not included

More games like this:Crossplay games

Only Fortress — questions & answers

Is Only Fortress free?: Yes — Only Fortress is free to play, so you can install and play it without buying anything.
Is Only Fortress Steam Deck compatible?: Mostly. Valve rates Only Fortress Playable on Steam Deck: it runs, but may need some manual tweaking — a community controller layout, or zooming in on small text.
Can I play Only Fortress on Mac?: Not natively — Steam lists no macOS version of Only Fortress. Mac players would need a cloud gaming service or a Windows compatibility layer.
Does Only Fortress have co-op?: Yes — Steam lists Only Fortress with online co-op.
Does Only Fortress have crossplay?: Yes — Steam lists Only Fortress with cross-platform multiplayer, so players on Steam can play with players on other platforms. Steam does not say which platforms; the developer's site has the full list.
Is Only Fortress on PC Game Pass?: No — Only Fortress is not on PC Game Pass right now.

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Apr 8, 2024

⠀

7 found this helpful

Not recommended Mar 31, 2025

[quote]Warning: Microtransaction infested mobile app[/quote] Only Fortress is one of thousands of nasty mobile apps infesting the "free" section of Steam, but it's not really free. There's only a superficial "game" here. This cash shop infested mobile app was dumped on Steam in an apparently incomplete state despite not carrying the Early Access warning (But there's already a cash shop so we know this has nothing to do with being a real, sincere game). The idea is that you build a fortress and then go raid other people's fortresses... so, it's Rust only completely and utterly garbage and with a toxic cash shop in it. So really, the whole fortress thing is just a veneer wrapped around a nasty, predatory mobile app cash shop. Thus, the true purpose of this mobile app is to get you to hand your credit card details to the greedy mobile devs so you can buy stuff in the nasty cash shop... it shouldn't be considered a real game because it's a mobile app cash harvester, and has no place in your game library. Putting that toxic mobile app monetisation aside... this is a mobile app. I didn't spend thousands on a gaming PC so I could pretend it's an iPhone, and I don't think you did e…

2 found this helpful

Recommended Jan 21, 2024

This game is still pretty much in beta, but the owner seems to be taking it very seriously. Updates are coming fast and very active on discord. The game has a good pace for a passive playing game and you can go raid other peoples forts, its pretty satisfying!

2 found this helpful

Recommended Jul 5, 2024

‎

1 found this helpful

Not recommended Jul 20, 2024

really fun and promising game! 10/10

Not recommended Oct 24, 2023

Meh, it's basically a mobile phone town builder/upgrader/battler rts game. But with nes/dos/ultima online level graphics. I didn't get far into it, but I was already bored to death 20 minutes into it.

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