Big Sister
Released 20 September 2026 · PC · Casual, Indie
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.
Story
Keep a companion on your desktop This is a desktop pet game. Place her in a corner of your desktop and see a familiar face whenever you look up from working, studying, browsing the web, or relaxing. There are no schedules to complete and no need for constant attention. Keep her by your side with your favorite static or animated wallpaper, or temporarily hide her and enjoy the scenery on its own. She blinks, breathes, and looks your way The game includes one desktop pet character with natural blinking, breathing, and idle movements. Her head and eyes follow your cursor, while her hair and clothes sway gently with her movements. Arrange and control her your way Drag the character to move her. Hover over her and scroll the mouse wheel to resize her from 55% to 450%. Switch always-on-top on or off to keep her in front of other windows or let her stay behind them. Transparent areas around and within the character let mouse clicks pass through. Enable Lock to let mouse input pass through the entire character. Hide the character when you need to focus, then show her again from the system tray menu. Hiding her does not stop the active animated wallpaper. Use the right-click...
Gameplay
Keep a companion on your desktop This is a desktop pet game. Place her in a corner of your desktop and see a familiar face whenever you look up from working, studying, browsing the web, or relaxing. There are no schedules to complete and no need for constant attention. Keep her by your side with your favorite static or animated wallpaper, or temporarily hide her and enjoy the scenery on its own. She blinks, breathes, and looks your way The game includes one desktop pet character with natural blinking, breathing, and idle movements. Her head and eyes follow your cursor, while her hair and clothes sway gently with her movements. Arrange and control her your way Drag the character to move her. Hover over her and scroll the mouse wheel to resize her from 55% to 450%. Switch always-on-top on or off to keep her in front of other windows or let her stay behind them. Transparent areas around and within the character let mouse clicks pass through. Enable Lock to let mouse input pass through the entire character. Hide the character when you need to focus, then show her again from the system tray menu. Hiding her does not stop the active animated wallpaper. Use the right-click and system tray menus to change settings, switch characters and wallpapers, lock, show or hide the character, or exit the game. You can also show or hide the taskbar icon. Bring your desktop scenery...
Features
- Single-player
- Steam Achievements
- Steam Workshop
- Steam Cloud
- Family Sharing
Release details
Big Sister is a Casual and Indie game by HaHaHaGame. Big Sister came out on Sunday, 20 September 2026 on PC. This date comes from Steam and was last checked on 20 September 2026.
Frequently asked questions
When did Big Sister come out?
Big Sister came out on 20 September 2026.
Which platforms is Big Sister on?
Big Sister is on PC.
Who makes Big Sister?
Big Sister is developed by HaHaHaGame.
What kind of game is Big Sister?
Big Sister is a game of these genres: Casual and Indie.