diff --git a/README.md b/README.md
index ae5efe9..bd0a237 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 RoomJS 3.x Game Engine
 ======================
-[![Travis](https://img.shields.io/travis/doughsay/room.js.svg?style=flat-square)](https://travis-ci.org/doughsay/room.js) [![Code Style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard) [![Codecov](https://img.shields.io/codecov/c/github/doughsay/room.js.svg?style=flat-square)](https://codecov.io/gh/doughsay/room.js) [![David](https://img.shields.io/david/doughsay/room.js.svg?style=flat-square)](https://david-dm.org/doughsay/room.js) [![David](https://img.shields.io/david/dev/doughsay/room.js.svg?style=flat-square)](https://david-dm.org/doughsay/room.js?type=dev)
+[![Travis](https://img.shields.io/travis/doughsay/room.js.svg?style=flat-square)](https://travis-ci.org/doughsay/room.js) [![Code Style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://standardjs.com/) [![Codecov](https://img.shields.io/codecov/c/github/doughsay/room.js.svg?style=flat-square)](https://codecov.io/gh/doughsay/room.js) [![David](https://img.shields.io/david/doughsay/room.js.svg?style=flat-square)](https://david-dm.org/doughsay/room.js) [![David](https://img.shields.io/david/dev/doughsay/room.js.svg?style=flat-square)](https://david-dm.org/doughsay/room.js?type=dev)
 
 This repository contains the RoomJS game engine (or server).
 
@@ -17,9 +17,9 @@ Clone the repository or download a ZIP archive.
 
 Installation steps are straightforward:
 
-1. `npm install`
+1. `yarn install`
 2. Create a `.env` file to customize the server's configuration. See `.env.development` for examples and explanations.
-3. `npm start`
+3. `yarn start`
 
 To interact with the server, you must use a web client application. The standard [client](https://github.com/doughsay/room.js-client) is provided in a separate repository.
 
diff --git a/demo/users.json b/demo/users.json
index 5a7bc27..7d8e5c2 100644
--- a/demo/users.json
+++ b/demo/users.json
@@ -4,6 +4,6 @@
     "password": "wqM8HoMtrWOi::U4lJqB1jJZDYZM1V8BUysXgH1WplZoKUWPqa8jTo::30::10000",
     "createdAt": "2016-09-17T17:58:43.527Z",
     "updatedAt": "2016-09-17T17:58:43.527Z",
-    "lastLoginAt": "2016-09-17T18:28:04.935Z"
+    "lastLoginAt": "2017-05-21T21:57:10.082Z"
   }
 }
diff --git a/demo/world/lib/player/player.json b/demo/world/lib/player/player.json
index 397ba9b..2fde343 100644
--- a/demo/world/lib/player/player.json
+++ b/demo/world/lib/player/player.json
@@ -15,16 +15,16 @@
       "file": "announceSay.js"
     },
     "chat": {
-      "verb": true,
       "file": "chat.js",
+      "verb": true,
       "pattern": "ch*at",
       "dobjarg": "any",
       "preparg": "any",
       "iobjarg": "any"
     },
     "inventory": {
-      "verb": true,
       "file": "inventory.js",
+      "verb": true,
       "pattern": "i*nventory",
       "dobjarg": "none",
       "preparg": "none",
@@ -43,8 +43,8 @@
       "file": "renderPrompt.js"
     },
     "say": {
-      "verb": true,
       "file": "say.js",
+      "verb": true,
       "pattern": "say \"",
       "dobjarg": "any",
       "preparg": "any",
@@ -55,16 +55,16 @@
       "file": "setMode.js"
     },
     "who": {
-      "verb": true,
       "file": "who.js",
+      "verb": true,
       "pattern": "who",
       "dobjarg": "none",
       "preparg": "none",
       "iobjarg": "none"
     },
     "readHelp": {
-      "verb": true,
       "file": "readHelp.js",
+      "verb": true,
       "pattern": "h*elp ?",
       "dobjarg": "any",
       "preparg": "none",
diff --git a/demo/world/players/wizard/wizard.json b/demo/world/players/wizard/wizard.json
new file mode 100644
index 0000000..fcde6d2
--- /dev/null
+++ b/demo/world/players/wizard/wizard.json
@@ -0,0 +1,20 @@
+{
+  "name": "Wizard",
+  "aliases": [],
+  "traitIds": [
+    "lib_player"
+  ],
+  "locationId": null,
+  "userId": "root",
+  "properties": {
+    "programmer": {
+      "value": true
+    },
+    "previousLocation": {
+      "ref": "areas_city_southstreet1"
+    },
+    "mode": {
+      "ref": "modes_playmode"
+    }
+  }
+}