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Key System

StackZero is an Animal Hospital Roblox script with Auto Heart Minigame, Safe Treatments, patient teleports, sanity protection, ESP, and movement tools.
It tracks active patients dynamically, finds required medicine and medical stations, accelerates prompt interactions, and provides separate ESP categories for patients, staff, objects, and work locations. More advanced safeguards intercept client behavior and require compatible hooks.
KEY SYSTEM AND REQUIREMENTS
StackZero uses a free PolSec key system. Run the public loader, get a key from the official key URL, and enter it in the authentication interface.
A compatible executor must support loadstring, game:HttpGet, remote ESP loading, and either hookmetamethod with getnamecallmethod or getgc with hookfunction for sanity protection. Config saving may require executor filesystem APIs.
The interface supports mobile layouts, but P, M, and N are keyboard hotkeys by default. Complete runtime support depends on the executor.
FEATURES
Treatment and patient tools
- Auto Heart Minigame
- Safe Treatments
- Prevent Sanity Loss
- Dynamic active-patient selector
- Teleport to selected patient
- Teleport to the nearest medical station
Prompt tools
- Instant held proximity prompts
- Extended prompt range from 8 to 13 studs
ESP and awareness
- Player ESP
- Patient ESP
- Required Medicine ESP
- NPC ESP
- Work Prompt ESP
- Camera ESP
- Station ESP
- Adjustable ESP distance
Movement
- Walk speed from 16 to 120
- Jump power from 50 to 160
- Noclip
- Infinite Jump
Visuals and interface
- Full Bright and No Fog
- Disable Rendering
- FOV from 40 to 120
- Local atmosphere, lighting, postprocessing, and character personalization
- Themes, UI scaling, saved configs, and unload
HOW TO USE
1. Join Animal Hospital.
2. Execute the public StackZero loader from the Script field below.
3. Complete the free key process and enter the key when prompted.
4. Select an active patient or enable the ESP categories needed for the current task.
5. Enable Auto Heart, Safe Treatments, prompt tools, or sanity protection separately as needed.
DEFAULT CONTROLS
- Right Shift: open or close the main menu
- N: toggle Noclip
- P: teleport to the selected patient
- M: teleport to the nearest medical station
- K: toggle the keybind menuGame Page
Animal Hospital 🧪
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Animal Hospital 🧪
Animal Hospital 🧪
Animal Hospital 🧪
Animal Hospital 🧪
Animal Hospital 🧪
Animal Hospital 🧪
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