About Only Fortress

Only Fortress is a RPG, Massively Multiplayer, Strategy, and Free to Play game developed by Erikas Kontenis. On 9/25/2023, it was released on the Steam Store by MB VIENINTELIS FORTAS.

It can be played and ran on Windows systems. At the moment, it is possible to play Only Fortress on the Steam Deck but some functionality may not be fully supported.

According to Steam’s category system, Only Fortress supports the following features:

• Co-op
• Multi-player
• PvP
• MMO
• Online Co-op
• Cross-Platform Multiplayer
• Online PvP
• In-App Purchases

From the Steam community, Only Fortress has been tagged with the following user tags:

• Economy
• Strategy RPG
• Management
• Dark
• Magic
• Sandbox
• Historical
• Pixel Graphics
• RPG
• RTS
• Real Time Tactics
• Logic
• Time Management
• Wargame
• Dark Fantasy
• Strategy
• MMORPG
• Tactical RPG
• 2D
• Building

Media & Sceenshots

Watch the featured video for Only Fortress and see the latest screenshots from the Steam Store.

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

Only Fortress data has been sourced from:

• Valve Corporation. (2025, December 26). Only Fortress on Steam. Steam Store.
• Valve Corporation. (2025, December 26). Only Fortress. Steam Community Hub.
• Erikas Kontenis. (2023, September 11). Only Fortress. Only Fortress.