diff --git a/libbrainlet/gatewayconnection.js b/libbrainlet/gatewayconnection.js
index e28529a..729fb93 100644
--- a/libbrainlet/gatewayconnection.js
+++ b/libbrainlet/gatewayconnection.js
@@ -81,6 +81,8 @@ GatewayConnection.prototype.subscribeToCategoryChat = function(categoryId) {
     console.log('[*] [gateway] Subscribing to channel(s)', request);
 
     this.socket.emit('subscribe', request);
+
+    return categoryId;
 };
 
 module.exports = GatewayConnection;
\ No newline at end of file
diff --git a/libbrainlet/test.js b/libbrainlet/test.js
index f8d662a..5f8063f 100644
--- a/libbrainlet/test.js
+++ b/libbrainlet/test.js
@@ -1,22 +1,97 @@
 const Client = require('./index');
 
+const LISTEN_ON = '5fc829314e96e00725c17fd8';
+const TOKEN = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InVzZXIiLCJpYXQiOjE2MDcxOTE5NjAsImV4cCI6MTYwNzIwMjc2MH0.dfI6CMeDNck-ubqwEmiMFdHbRR4iiuooeTuzgVc_8rY';
+const PREFIX = '::';
+const ADMIN_ID = '5fc828ea4e96e00725c17fd7';
+
+const joined = [];
+const selected = [];
+
+const getRandomUser = (self, count=0) => {
+    if (count > 3) return joined[0];
+    count++;
+
+    let final;
+
+    let chosen = joined[Math.floor(Math.random() * joined.length)];
+    final = chosen;
+    if (chosen._id === self._id) final = getRandomUser(self, count);
+    if ((selected.indexOf(chosen)) !== 1) final = getRandomUser(self, count);
+    if (!final) final = getRandomUser(self, count);
+
+    
+
+    return final || null;
+};
+
 const main = async () => {
     const client = new Client('http://localhost:3000', {
         throwErrors: true
     });
-    
-    await client.setToken('eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InVzZXIiLCJpYXQiOjE2MDcxOTE5NjAsImV4cCI6MTYwNzIwMjc2MH0.dfI6CMeDNck-ubqwEmiMFdHbRR4iiuooeTuzgVc_8rY');
-    
+    await client.setToken(TOKEN);
     await client.gatewayConnect();
     
     client.gateway.on('connect', () => {
-        client.gateway.subscribeToCategoryChat('5fc829314e96e00725c17fd8');
+        const category = client.gateway.subscribeToCategoryChat(LISTEN_ON);
+
         client.gateway.on('message', (e) => {
             if (e.author._id === client.user._id) return;
-            client.gateway.sendMessage('5fc829314e96e00725c17fd8', e.content, {
-                nickAuthor: {username: e.author.username},
-                //destUser: {_id: e.author._id}
-            });
+            if (!e.content.startsWith(PREFIX)) return;
+            if (e.category._id !== category) return;
+
+            const cmdString = e.content.substring(PREFIX.length);
+            const cmdFull = cmdString.split(' ');
+            const cmd = cmdFull[0] || 'NO_CMD';
+
+            console.log(cmdFull);
+
+            switch (cmd) {
+                case 'join': {
+                    const existing = joined.findIndex((o) => {
+                        return o._id === e.author._id;
+                    });
+
+                    if (existing !== -1) {
+                        client.gateway.sendMessage(category, 'Already joined', {
+                            nickAuthor: { username: 'Error' },
+                            destUser: { _id: e.author._id }
+                        });
+                        break;
+                    }
+
+                    joined.push(e.author);
+                    console.log(`[*] User joined`, e.author);
+                    client.gateway.sendMessage(category, `${e.author.username} joined!`, {
+                        nickAuthor: { username: 'New join!' }
+                    });
+                    break;
+                }
+                case 'roll': {
+                    if (e.author._id !== ADMIN_ID) {
+                        client.gateway.sendMessage(category, 'Access denied', {
+                            nickAuthor: { username: 'Error' },
+                            destUser: { _id: e.author._id }
+                        });
+                        break;
+                    }
+                    client.gateway.sendMessage(category, 'Rolling...', {
+                        nickAuthor: { username: 'Woo' }
+                    });
+
+                    joined.forEach((e) => {
+                        const chosen = getRandomUser(e);
+
+                        selected.push(chosen);
+
+                        client.gateway.sendMessage(category, `${e.username} - ${chosen.username}`, {
+                            nickAuthor: { username: 'Your result' },
+                            destUser: { _id: e._id }
+                        });
+                    });
+                    break;
+                }
+            }
         });
     });
 };