『Stellaris』は2016年にリリースされたSFグランドストラテジーゲームです。プレイヤーは未開の惑星文明を率い、広大な銀河を舞台に探査、拡大、開発、そして時には殲滅を通じて帝国を築き上げます。ゲームの核となるのは、科学船による未知の星系の調査、植民地化による勢力拡大、異星種族との外交や戦争、そして資源や技術の研究といった帝国運営のバランス調整です。種族の倫理観や政府形態を細かく設定でき、予期せぬイベントや多様な異星文明との遭遇により、プレイごとに異なる銀河の物語が展開される点が特徴です。PC、Linux、Macに加え、家庭用ゲーム機でもプレイ可能です。
","tokens":{"input":2439,"output":173,"total":2612}}プレイヤーは、アノマリー(異常現象)、古代遺跡、そして新興文明がひしめく、ダイナミックで常に変化する宇宙に没入します。このゲームの雰囲気は、深宇宙探査の驚異と、帝国運営に伴う複雑な政治的・軍事的現実とのバランスによって成り立っています。すべてのプレイアブルな体験は、プレイヤーの選択と銀河で発生するランダムな事象によって、独自の物語として形成されます。
\n\nリアルタイム・ストラテジー(RTS)とシミュレーターのハイブリッドとして、成功は複数の重要なシステムをバランス良く管理することにかかっています。
\nプレイヤーが開始時に選択できる文明のカスタマイズ深度が、このゲームを際立たせる重要な差別化要因です。プレイヤーは自種族の倫理観、政府形態、物理的特性を定義し、それが銀河との関わり方(友好的な異星愛好家、冷酷な征服者、あるいは孤立主義的な精神主義者として)を根本的に変化させます。さらに、予期せぬイベントやユニークな異星人との遭遇によって駆動される創発的なストーリーテリングが、二つと同じ銀河の旅を保証します。
\n\nこのメインゲームは、PC(Microsoft Windows)、Linux、Macに加え、PlayStation 5、PlayStation 4、Xbox Series X|S、Xbox Oneなど、複数のプラットフォームで利用可能です。コアな体験は、大規模な追加コンテンツによって大幅に拡張されています。現在、このゲームには10の主要な拡張(Expansion)と5つの小規模なダウンロードコンテンツ(DLC)パックが存在し、長期的なプレイのために、より深いメカニクス、新しい危機シナリオ、さらなるカスタマイズオプションを提供しています。
\n\n異星種族との関わり方は多面的です。初期接触は交易、研究協定、あるいは即座の紛争につながる可能性があります。時間をかけて、プレイヤーは様々な手段で他の種族を自らの帝国に統合することができます。あるいは、前例のない協力や支配を必要とする、銀河全体を巻き込む実存的な脅威に直面することもあります。
","tokens":{"input":2629,"output":913,"total":3542}}The content of this game is suitable for persons aged 7 years and over only. It contains: Violence that is not shown but is implied

Shape Minds, Rule the Stars. In a galaxy defined by borders, belief knows no limits. In Stellaris: Willpower, your Ethics evolve into powerful ideologies that can reshape entire civilizations.

In Nomads, you thrive inside colossal Arkships that carry your people, your industry, and your ambition across the stars. Move freely through the galaxy, take on Contracts from settled empires, and leave your mark by building Waystations. Nomads do not own the map. They blaze a path across it.

This exclusive portrait comes with Stellaris: Season 10, allowing your empire to take the form of the elusive Vipra, beings of shifting atmosphere and smoke. Available immediately upon purchasing Stellaris: Season 10, it features 5 different phenotypes and ethereal custom animations.

Thrive where others burn. The Stellaris: Infernals Species Pack invites you to forge a blazing empire, built to endure the galaxy’s most extreme heat.

Shadows of the Shroud is an expansion for Stellaris, released as a part of the Season 09 Expansion Pass in 2025. The psionic plane holds untold power—but at what cost? Shadows of the Shroud is a complete overhaul of the Psionic Ascension path, introducing new moral dilemmas, patron allegiances, and the ever-present temptation of ultimate destruction.

BioGenesis is an expansion for Stellaris, released as a part of the Season 09 Expansion Pass in 2025. Step into the role of a master geneticist, sculpting the galaxy to your design with living ships, engineered ecosystems, and enhanced species. Forge new paths with unparalleled bioengineering tools to create a civilization that thrives on adaptability and evolution – or exploit these tools to dominate the stars.

Dream of the stars with this exclusive portrait, available immediately upon purchasing Stellaris: Season 09. Featuring three phenotypes and unique animations, the Stargazer Species Portrait is perfect for players who seek to embody the spirit of cosmic curiosity.

The Galaxy is vast and full of wonders, and it is up to you to store records of all the unique lifeforms and marvels you will meet. Build a new megastructure, and collect examples of specimens you will meet in your space-faring adventures!

A new phenomenon has been observed around the Galaxy - storms are sweeping through system. Prepare your Empire and brace to face this new upcoming threat, and leverage possibilities that open when your opponents are weakened by it.

It is an age of technological glory, rapid social change, and unbridled ambition… But in the depths of space, a danger unlike any before encountered is about to emerge, a looming threat that will throw the very meaning of life into question.Welcome to The Machine Age!

An exclusive portrait for you species, to play as the most enigmatic species in the galaxy.

Includes a new core system and technologies. New planes to explore. New branching narratives.

Add Galactic Paragons to your empires and experience a new level of character and story as great leaders follow your lead to the stars. With exclusive additions to the all-new Council mechanic, leaders who you can shape to amplify the vision for your empire, new civics and more.

You are not alone! The galaxy is vast and full of wonders, but it’s also full of alien empires you’re going to encounter, whether you’re ready or not. First Contact offers a set of new origins and mechanics that give players the chance to tell stories about their civilizations’ early encounters with visitors from the stars — ones that may not have come in peace!

Rise from the primordial ooze all the way to the stars! The Toxoids Species Pack gives players the chance to inhabit toxic worlds, gamble the future of their planets for immediate gains, and make the tough sacrifices necessary to survive a hostile galaxy.

Realize your Grand Design Overlord, a new full expansion for Stellaris, grants access to new features designed to unlock the next level of your empire. New mechanics to specialize your vassals’ roles within your empire and new magnificent megastructures to project your power further, faster.

Embrace the life of a seafaring civilization as you sail the open expanses of the galaxy with Stellaris' most immersive pack yet: the Aquatics Species Pack! Let a wave of new customizable options for your empire crash into Stellaris, with a treasure trove of new species portraits, ship set, origins and more.

Nemesis is an expansion to Stellaris in which you will be able to determine the fate of a destabilizing galaxy. Adding espionage tools, a path to power as the Galactic Custodian - or the Menace option to become the crisis - Nemesis gives you the most powerful tools ever available in Stellaris.

The Necroids Species Pack features a brand new selection of portraits, civics, ship sets and other cosmetics for players who don’t fear the afterlife, and a unique Necrophage origin with new civics.

The supreme art of war is to subdue the enemy without fighting. With the Stellaris: Federations expansion, players can extend their diplomatic dominion over the galaxy like never before. Use every trick in the book to gain an edge on friend and foe alike, with a host of new options to influence, manipulate, and dominate without firing a shot.
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