Release: Dec 10, 2026

A-Train 9 PRIME LINE

by ARTDINK·published by ARTDINK, KOMODO·Simulation

AI helped edit the main visual image and prototype some music tracks.

Marketing (Partial)Music & SFX (Placeholder)

Wishlist on Steam @artdink_tw

A-Train 9 PRIME LINE

Overview

『A-Train 9 PRIME LINE』Announcement Trailer

The ultimate edition of the city-building simulation game A-Train 9! As the president of a railway company, build the city of your dreams through city building and railway management. A-Train 9 PRIME LINE takes city building beyond evolution, delivering the ultimate city-building experience.

SimulationCity BuilderTrainsTransportationBuildingStrategyManagementEconomySandboxSingleplayer

Summary

Steam followers—Counting followersSteam · public

Followers 24h—Tracking since Sep 23, 2026Steam · daily

7-day growth—Tracking since Sep 23, 2026Sep 19 – Sep 25

Wishlists—Waiting for the follower countGameDB estimate

AI disclosure

How AI is used

Source: Steam AI disclosure · checked Sep 25, 2026

GameDB AI label

AI in 2 of 8 areas

In-game AINot stated
CodeNot stated
ArtNot stated
Music & SFXPlaceholder
VoiceNot stated
WritingNot stated
TranslationNot stated
MarketingPartial

MarketingPartial

Generative AI was used in editing the main visual image.

Music & SFXPlaceholder

Generative AI was used to prototype some music tracks.

Not used, per the developer: None
Not mentioned: In-game AICodeArtVoiceWritingTranslation

Read the full disclosureQuoted from the Steam store page

Generative AI was used in the editing of the main visual image and in the prototyping of some of the music tracks.

CorePartialAssistPlaceholder

Followers

Growth

Steam followers

Daily snapshot of public Steam data

Collecting dataGameDB started tracking this game on Sep 23, 2026. The chart fills in as daily snapshots arrive.

Upcoming chart · Sep 19 – Sep 25

Rankings

Open the chart

Upcoming games rank by Steam follower growth over the last day and week, weighed against the audience they already have. Released and upcoming games are charted separately; estimates and stars are never mixed in.

Made by

Developer

ARTDINK

Developer on SteamPublished by ARTDINK, KOMODO

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