Season 10 Expansion Pass Available Today for Stellaris

New Season Arrives Ahead of the Game’s 10th Anniversary in May

STOCKHOLM – April 29, 2026 – Today, Paradox Interactive released the Season 10 Expansion Pass for their sci-fi grand strategy game Stellaris, delivering new stories, gameplay experiences, and features for players to explore across the galaxy. The new expansion pass, which arrives ahead of the game’s 10th anniversary next month, includes access to four forthcoming content packs that will become available to download later this year, as well as immediate access to the Vipra the Vapor Species Portrait Pack. Also launching Today is the free 4.3.5 patch, which includes numerous bug fixes.


In celebration of Stellaris' 10th anniversary, players can also anticipate a slate of exciting content and offers throughout the month of May. This includes the release of patch 4.3.6, which includes general bug fixes, the Arachnophilia Mode, the Portrait Substitution System, and more. The anniversary will also feature discounts on the base game and various DLCs, alongside the release of a special documentary focusing on the development and teams behind the game. 

The Season 10 Expansion Pass will take players on a journey through resilience and movement, starting with the major expansion, Nomads. Coming in Q2 2026, this DLC introduces colossal Arkships that will carry players’ people, industries, and ambitions across the stars. Moving freely through the galaxy, players can create new Nomadic empires, take on Contracts from settled empires, explore new Origins, construct a new Megastructure, discover a new set of Hero ships, and leave their mark by building Waystations. 

The next release, Willpower, is set to arrive in Q4 2026, allowing players to evolve their Ethics into powerful ideologies capable of reshaping entire civilizations. In Willpower, players can discover new Ideologies, three new Origins, five new fanatic Civics, a new Ethical Ambition: Force of Will, and two new customizable megastructures: Great Halls and Cathedrals. 

Also arriving in Q4 2026 are two new Scenario Packs: Scenario Pack 1 and Scenario Pack 2. Here, players will dive into curated, high-stakes standalone experiences designed to test their mastery and strategic limits. Whether embarking on a roguelike odyssey throughout the stars or leading an ultimate extra-dimensional invasion, these scenarios offer a fresh, bold way to play Stellaris on your own or with friends. 

Finally, available immediately upon purchasing the Season 10 Expansion Pass, the Vipra the Vapor Species Pack will allow players’ empires to take the form of the elusive Vipra. An ethereal creature of armor and smoke, this exclusive Necroid species portrait features five sinister color variants as well as custom animations.

The Season 10 Expansion Pass can be purchased now on PC via Steam for a suggested retail price of $49.49/£41.59/€49.49 (save 20% compared to purchasing each content pack individually). 

For more information about Stellaris and the Season 10 Expansion Pass, please visit http://www.stellaris.com/. 


About Paradox Interactive

Paradox Interactive is one of the premier developers and publishers of strategy and management games for PC and consoles. The players are located all over the world but some of the biggest markets are North America, Western Europe and Asia.

The game portfolio consists of popular franchises such as Stellaris, Europa Universalis, Hearts of Iron, Crusader Kings, Cities: Skylines, Prison Architect, the Surviving games, Age of Wonders and Victoria. Paradox Interactive also owns the World of Darkness brand catalog.

For more information, please visit http://www.paradoxinteractive.com