How to turn on no map or no build cost in Valheim

Add -setkey nomap to the server's launch options to remove the map. Other keys are nobuildcost, passivemobs and playerevents; repeat it for each.

-setkey

Turns on a world modifier checkbox: nobuildcost, playerevents, passivemobs or nomap.

-setkey <key>

Examples

-setkey nomap

No map for anyone.

-setkey passivemobs

Enemies do not attack first.

Values

Value	What it does
nobuildcost	Building costs no materials
playerevents	Raids are based on each player's progress
passivemobs	Enemies do not attack unless provoked
nomap	The map is disabled

Arguments

keyRequired: nobuildcost, playerevents, passivemobs or nomap.

What it does

These are the on or off world modifiers. Repeat the argument to set more than one.

Good to know

Add it to the server start line in start_server.sh (Linux) or start_headless_server.bat (Windows); it applies on the next server start.

Run it on your server

Launch options go on the server's start line. Admin commands are typed in the in-game console (F5) by a player on the admin list. New to this? Start a Valheim server first.

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Valheim server.

Start a Valheim server All commands

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