Fixed (pass the path the "Earth" world). There are 4 more worlds, too.

Also let Guest see the game, just not play it.

xtrn/war/install-xtrn.ini

-; $Id: install-xtrn.ini,v 1.4 2020/04/21 04:41:22 rswindell Exp $
 ; LORD installer data for install-xtrn.js
 
 Name: Solomoriah's WAR!
@@ -9,21 +8,22 @@ Subs: Adventure, Classic, Multiplayer, JavaScript, Port
 Inst: 2020/09/07
 
 [prog:WAR]
-cmd  = ?war.js
-ars  = NOT GUEST
+name = Solomoriah's WAR! on Earth
+cmd  = ?war.js worlds/earth
+execution_ars  = NOT GUEST
 settings = XTRN_MULTIUSER
 required = true
 
 [event:WARUPD]
 prompt = false
-cmd  = ?warupd.js
+cmd  = ?warupd.js worlds/earth
 name = WAR Update
 node_num = 1
 days = 127
 
 [event:WARPOLL]
 prompt = false
-cmd  = ?warpoll.js
+cmd  = ?warpoll.js worlds/earth
 name = WAR Poll
 node_num = 1
 days = 127