They partnered with Annapurna Interactive to publish the game, known by its working title HK Project. Stray was influenced aesthetically by Kowloon Walled City, which the developers felt could be appropriately explored by a cat. The game’s development began in 2015, led by BlueTwelve Studio founders Colas Koola and Vivien Mermet-Guyenet, who wanted to pursue an independent project after working at Ubisoft Montpellier. Throughout the game, the player must evade the antagonistic Zurks and Sentinels, both of whom will attempt to kill them. Using B-12, they can store items found throughout the world, and hack into technology to solve puzzles necessary to progress the narrative. The player traverses by leaping across platforms and climbing up obstacles, and can interact with the environment to open new paths. The game is presented through a third-person perspective. The story follows a stray cat who falls into a walled city populated by robots, machines, and viruses, and sets out to return to the surface with the help of a drone companion called B-12.

Stray is a 2022 adventure video game developed by BlueTwelve Studio and published by Annapurna Interactive.

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