
Shutokou Battle XTREME
» see sb-x.jp as it lived, on the wayback machine
~ the last words ~
Genki put Shutokou Battle XTREME on Japanese phones on 26 January 2017, free to download with items to buy. It was the series' first serious attempt at a smartphone entry, and it carried a name with real weight behind it in Japan.
Shutokou Battle is street racing on the Shuto Expressway, the elevated loop that runs through central Tokyo, and the games are built around one-on-one duels with rivals you meet in traffic. Outside Japan the console entries were sold as Tokyo Xtreme Racer, which is how most people who know the series at all know it.
The launch went well enough. Pre-registration had reached ninety thousand, and the game's own news log recorded half a million downloads passed on 14 March, inside seven weeks of release. Those are the only numbers Genki ever published about it.
The part of this series that traveled was always the discs. Tokyo Xtreme Racer went out on Dreamcast and PlayStation 2 to shops well outside Japan, and the phone game went nowhere: Japanese storefronts only, and a Japanese expressway rendered for people who could recognize the junctions. A game about one named stretch of road in one city does not have an export problem so much as an export question nobody asked.
Eight months after launch the closure notice went up, and the game stayed playable until 29 November at 12:59.
~ the record ~
| Born | 26 January 2017 on iOS and Android in Japan |
|---|---|
| Peak | 500,000 downloads by 14 March 2017, inside seven weeks |
| Killed | 29 November 2017, playable until 12:59 JST |
| Lifespan | 10 months and 3 days |
| Made by | Genki |
| Killed by | various circumstances, which is all the notice said |
~ the notice that was deleted ~
Genki's notice is a short document signed by the company, with its Nakano head office and its president named at the top. The explanation inside it is a stock phrase: 諸般の事情を鑑みた結果, having taken various circumstances into account, continuing the service had become difficult. The schedule around that sentence is precise in a way the sentence is not. Paid VIP coins stopped selling on 30 October and the refund window ran from 30 November to 28 February, after which the game could no longer issue the transfer IDs that moved an account between handsets.
The notice carries two dates, a header reading 2017/09/26 and a sign-off reading 28 September, and the trade press picked it up on the 28th. Neither date is on genki.co.jp anymore. That URL now bounces to the company's front page, and with sb-x.jp long gone from DNS, the only readable copy of Genki announcing the end of its own game sits in the Internet Archive.
~ before its first birthday ~
Ten months and three days is brief even for a Japanese phone game, and the series itself was in no trouble. Genki shipped a new Tokyo Xtreme Racer on Steam on 24 September 2025 under its own name, and it is on sale there today.
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