Union Of Rivals

A frontier city builder about connecting settlements by railroad

2Play · Released Aug 24, 2026 · Early Access

Reviews: Mixed; 59% of 32
Recent reviews: Not enough recent
Players: 0; daily peak, Nov 7, 2026
Steam Deck: Playable
Last update on Steam: 1 week ago; Oct 26, 2026
Minimum PC: GeForce GTX 960; 8 GB RAM · 2 GB disk; Full requirements

What is Union Of Rivals?

In this Early Access city-building simulation, the Rail Road Union tasks you with connecting East and West. You gather timber, stone, and ore, process them into trade goods and construction supplies, and develop isolated outposts into towns.

For you if...

+you like adapting rail routes to procedurally generated terrain
+you enjoy trading in markets that react to world events

Not for you if...

−you want to expand without negotiating with local leaders

Screenshots and trailer

Union Of Rivals system requirements

Minimum: GeForce GTX 960, 8 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run Union Of Rivals?

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Minimum

OS: Windows 10 (64-bit)
Processor: Intel Core i5-4460 eller AMD Ryzen 3 1200
Graphics: NVIDIA GeForce GTX 960 (4GB) eller AMD Radeon R9 380
Memory: 8 GB RAM
Storage: 2 GB available space
Notes: Requires a GPU with Vulkan 1.0 or DirectX 12 support.

Does Union Of Rivals have co-op or multiplayer?

Yes: co-op online; PvP online. It also has a single-player mode.

Does Union Of Rivals run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Default configuration is not performant
All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English. Text only: German, Simplified Chinese, Russian, Swedish.

Does Union Of Rivals use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

Used for testing, validation, and a small selection of in-game assets.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Nov 5, 2026. How to filter AI games on Steam