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Firaxis Games

Firaxis Games' Sid Meier's Civilization VII is the subject of two PAX West 2026 content announcements, a paid Earthrise expansion and a free 2027 update, while the base game is being discounted on Steam during Amazon Prime Day 2026.

Synthesized from 3 Yomimono stories · updated Sep 11

Sid Meier's Civilization VII, developed by Firaxis Games, is in the middle of a post-launch content push announced at PAX West 2026. 2K detailed two additions: a paid expansion called Earthrise and a free update called Arc of Tomorrow, scheduled for 2027. The two are tied together. Earthrise adds celestial charts in the early ages and space agencies in the later ones, with missions across the solar system, lets players reshape Earth's terrain, and includes ways to mitigate climate change effects. The free update, Arc of Tomorrow, adds a fourth era called the Atomic Age, spanning the 1950s to the 2050s, with new civilizations and leaders including Gandhi, plus nuclear warfare systems and multilateral agreements.

That fourth era matters because the game's structure currently runs on three eras. Earthrise had already been framed as extending Civilization VII beyond that three-age structure and as adding an eventual fourth age; the free update is where the Atomic Age itself arrives in 2027. Coverage of the announcements focused on different halves of the same plan, one on the paid expansion's space theme and one on the free update's timeline extension.

Separately, the base game was part of a set of Amazon Prime Day 2026 Steam recommendations. Sid Meier's Civilization VII was half off at 4,400 yen, down from 8,800 yen, in a promotion that ran through July 13. The same report described the game's three-era campaign structure and its separate selection of leaders and civilizations.

Key facts

Free update
Arc of Tomorrow, announced by 2K at PAX West 2026, arrives in 2027 and adds the Atomic Age as a fourth era spanning the 1950s to the 2050s. ↗
Atomic Age content
New civilizations and leaders, including Gandhi, plus nuclear warfare systems and multilateral agreements. ↗
Paid expansion
Earthrise is the first expansion DLC for Sid Meier's Civilization VII, announced by 2K. ↗
Earthrise content
Celestial charts in early ages, space agencies in later ones, missions across the solar system, terrain reshaping on Earth, and ways to mitigate climate change effects. ↗
Base game structure
Campaigns are divided into three eras, with leaders and civilizations selected separately. ↗
Developer and publisher
Firaxis Games develops Sid Meier's Civilization VII; 2K handles its announcements. ↗
Prime Day Steam price
Sid Meier's Civilization VII was half off at 4,400 yen, down from 8,800 yen, in an Amazon Prime Day 2026 promotion running through July 13. ↗

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

Connections

Structured graph also available as JSON at /public/entities/firaxis-games. CC BY 4.0.

All coverage

Sep 6

Civilization VII Free Update Arc of Tomorrow Adds Atomic Age in 2027

2K announced at PAX West 2026 that Sid Meier's Civilization VII will receive a free update, Arc of Tomorrow, in 2027, adding a fourth era, the Atomic Age, spanning the 1950s to the 2050s. New civilizations and leaders, including Gandhi, plus nuclear warfare systems and multilateral agreements, are included. A paid expansion, Earthrise, was also announced.

Sep 6

Civ 7 Earthrise Expansion Takes Civilizations to Space

2K announced the first expansion DLC for Sid Meier's Civilization VII, titled Earthrise. The space-themed expansion adds celestial charts in early ages and space agencies in later ones, with missions across the solar system. Players can also reshape Earth's terrain and mitigate climate change effects. A free update adds the Atomic age in 2027.

Jul 13

Amazon Prime Day 2026 Steam Deals: Ace Combat 7, Civilization VII, Tales of Vesperia

ASCII.jp is running a series of Amazon Prime Day 2026 recommendations for Steam games, with several titles discounted through July 13. Three notable deals include Bandai Namco's Ace Combat 7: Skies Unknown - Top Gun: Maverick Ultimate Edition at 79 percent off, dropping from 12,650 yen to 2,657 yen. The edition includes the main game, Season Pass with three additional missions and aircraft, and a Top Gun aircraft set. Firaxis Games' Sid Meier's Civilization VII is half off at 4,400 yen, down from 8,800 yen. The latest installment divides campaigns into three eras and allows separate selection of leaders and civilizations. Bandai Namco's Tales of Vesperia: Definitive Edition is also 79 percent off at 1,317 yen, reduced from 6,270 yen. The definitive edition features upgraded graphics, additional playable characters, and scenarios not in the original Xbox 360 version. All three deals are available on Steam during the Prime Day event.