How to Change the World Mode on Your Core Keeper Server
How to switch between Normal, Hard, Creative, and Casual modes on your Core Keeper server.
Setting the World Mode
Via startup parameter:
-worldmode 0Or in ServerConfig.json:
"worldMode": 0Modes
| Value | Mode | Description |
|---|---|---|
| 0 | Normal | Standard difficulty |
| 1 | Hard | Increased difficulty, harsher death penalties |
| 2 | Creative | Unlimited resources, building-focused |
| 4 | Casual | Easier difficulty, more forgiving |
⚠️ You cannot convert between Creative and non-Creative worlds. Changing requires creating a new world on a different world slot.
Related Guides
How is this guide?

40% Off — Limited TimeGet your Core Keeper server todayInstant setup, DDoS protection, and 24/7 support included.
Get a Server