Quick Scoop

If you mean **the Roblox game mode / challenge** around losing sanity in TADC-style gameplay, the main way is to let your sanity drain by staying in darkness, triggering ghost events, or taking part in mechanics that reduce sanity. In one Roblox sanity system reference, there is even a **“No Sanity”** challenge that drops everyone to 0% and prevents recovery above that level.

How sanity drops

Common ways sanity goes down include:

• Standing in the dark for a long time.
• Witnessing ghost events.
• Interacting with cursed or risky objects.
• Playing on harder settings, where drain is faster.

The reference also notes that sanity loss can be reduced by using light, avoiding prolonged ghost contact, and using certain kits or items that restore sanity.

Fastest route

If your goal is to “lose all sanity” quickly in gameplay terms, the most direct route is usually:

1. Stay in darkness as much as possible.
2. Trigger as many ghost events as you can.
3. Avoid any sanity-restoring items.
4. Use a mode or challenge that forces sanity to zero, if the game offers one.

That said, in normal play, the game is designed so that lower sanity makes hunts and activity more aggressive, which can make the round much harder.

Important note

I’m treating this as a game-mechanics question , not a real-life self-harm topic. If you meant a different Roblox experience called TADC, the exact mechanics may differ, but the general idea is still to increase danger, darkness, and event frequency until sanity drains.

TL;DR

• Stay in the dark.
• Trigger ghost activity.
• Avoid healing items.
• Use any “No Sanity” style challenge if available.