You cannot revive while a hostile entity like Rush or Ambush is still active in the room. How to Get Revives (The Legit Way)

You cannot revive if you die to specific entities like Seek or Ambush until they have despawned, or if you have reached certain "no-revive" zones like The Greenhouse or The Rooms . Legitimate Ways to Get Free Revives

Are you trying to death system or just looking for the latest codes to survive Floor 2? Let me know and I can dive deeper! Revive Script Review - Developer Forum | Roblox

This information should give you a starting point for understanding scripts in Roblox and how a revive script might work in a game like "DOORS." If you're looking for specific scripts, consider Roblox forums, developer communities, or official Roblox GitHub pages for more guidance.