Big Sister

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A desktop pet game with a companion who blinks, breathes, and follows your cursor. Drag, resize, pin, lock or hide her, and pair her with static, GIF or MP4 wallpapers. Discover and share characters and wallpapers through Steam Workshop for company while you work, study or relax.

Tags

About the game

Released

September 21, 2026

Developer

HaHaHaGame

Publisher

HaHaHaGame

Genres

Casual, Indie

Game languages

English*, French*, Italian*, German*, Spanish - Spain*, Danish*, Ukrainian*, Russian*, Bulgarian*, Hungarian*, Indonesian*, Turkish*, Greek*, Norwegian*, Czech*, Japanese*, Polish*, Thai*, Swedish*, Simplified Chinese*, Traditional Chinese*, Romanian*, Finnish*, Dutch*, Portuguese - Brazil*, Portuguese - Portugal*, Spanish - Latin America*, Vietnamese*, Korean*, Malay* *languages with full audio support