Unlike its two predecessors of both Oahu and Ibiza, the road will be left-hand traffic, a first in the series since The Brotherhood of Speed's Tokyo and London. The game will have 'a realistic driving experience', indicating that the game will have a realistic handling model and will be more on simulation side, unlike its predecessor Test Drive Unlimited 2.

The game will feature a 1:1 recreation of Hong Kong Island as revealed in a trailer released on 6 July 2021 during Nacon Connect 2021.

Based on copyright text at the end of the video, the game will feature vehicles from (among others to be announced) Bugatti, Dodge, Ferrari, Koenigsegg, Lamborghini, and Porsche. The game was officially announced on that date during the event with a 25-second teaser trailer, with Kylotonn (under their KT Racing brand) developing. On 3 July 2020, the official Test Drive Twitter account tweeted a twelve-second video clip of a crown-shaped logo with the letters 'SC' in it forming, announcing a full reveal during the Nacon Connect video event on 7 July. In April 2020, Nacon filed a trade mark to the Intellectual Property Office for Test Drive Solar Crown, the last two words referring to the Solar Crown in-universe racing competition series featured in 2011's Test Drive Unlimited 2. In 2018, Bigben announced the acquisition of French game developer Kylotonn, with Roman Vincent, president of Kylotonn suggesting they were working on the next installment of Test Drive. It was reported in December 2016 that French publisher Bigben Interactive (now called Nacon) acquired the Test Drive intellectual property from Atari, with plans to reboot the franchise. Test Drive Unlimited Solar Crown is set to be released for Microsoft Windows, Nintendo Switch, PlayStation 5, and Xbox Series X/S in 2023. The game was teased on 3 July 2020 on Twitter and was officially revealed during the Nacon Connect event on 7 July.

It will be the twenty-first game in the Test Drive series, the first title in the series since 2012's Ferrari Racing Legends, and the third game in the franchise's Unlimited reboot, following 2011's Test Drive Unlimited 2. Test Drive Unlimited Solar Crown is an upcoming racing video game developed by KT Racing and published by Nacon.

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