Survive For 600 Minutes Straight, Whilst In Game. (10 Hours Real Time)
- You May Log Out.
- When You Die, This Timer Gets Reset.
- The Timer Is Found Under Your Character Page (Where Your Food And Water Values Are Stored)
On A Multiplayer Server You Can Even Log Out To Avoid Horde Night (On Day 7) Making This Easier To Obtain.
Good Luck!