diff --git a/src/common/state/chat.js b/src/common/state/chat.js
new file mode 100644
index 0000000..bbb31ba
--- /dev/null
+++ b/src/common/state/chat.js
@@ -0,0 +1,71 @@
+/* eslint-disable no-param-reassign */
+import {
+  createSelector,
+  createSlice,
+} from '@reduxjs/toolkit';
+
+import hydration from './hydration';
+
+export const userSelector = (state) => state.user;
+
+const slice = createSlice({
+  name: 'chat',
+  initialState: {
+    channels: {},
+    focus: '',
+    messages: {},
+    recent: {},
+    unread: {},
+    users: {},
+    ...(hydration('chat') || {}),
+  },
+  reducers: {
+    addMessage: (state, {payload: {channel, message}}) => {
+      state.messages.push(message);
+      state.channels[channel].messages.push(message.uuid);
+      if (state.focus !== channel) {
+        state.unread[channel] += 1;
+      }
+    },
+    editMessage: (state, {payload: {uuid, content}}) => {
+      state.messages[uuid] = content;
+    },
+    focus: (state, {payload: {channel}}) => {
+      state.unread[channel] = 0;
+    },
+    join: (state, {payload: {channel, messages, users}}) => {
+      state.channels[channel] = {messages, users};
+      state.unread[channel] = 0;
+    },
+    joined: (state, {payload: {channel, id}}) => {
+      state.channels[channel].users.push(id);
+    },
+    leave: (state, {payload: {channel}}) => {
+      delete state.channels[channel];
+      delete state.unread[channel];
+    },
+    left: (state, {payload: {channel, id}}) => {
+      const {users} = state.channels[channel];
+      users.splice(users.indexOf(id), 1);
+    },
+    removeMessage: (state, {payload: {channel, uuid}}) => {
+      delete state.messages[uuid];
+      const {messages} = state.channels[channel];
+      messages.splice(messages.indexOf(uuid), 1);
+    },
+    removeRecent: (state, {payload: {channel}}) => {
+      delete state.recent[channel];
+    },
+  },
+});
+
+export const {
+  addMessage,
+  editMessage,
+  join,
+  leave,
+  removeMessage,
+  removeRecent,
+} = slice.actions;
+
+export default slice.reducer;
diff --git a/src/common/state/user.js b/src/common/state/user.js
index 8be46bc..35aa239 100644
--- a/src/common/state/user.js
+++ b/src/common/state/user.js
@@ -30,15 +30,19 @@ export const redditUsernameSelector = createSelector(
 
 const slice = createSlice({
   name: 'user',
-  initialState: hydration('user') || {
+  initialState: {
+    favorites: {},
     friends: {},
-    isAnonymous: true,
+    isAnonymous: false,
     redditUsername: 'anonymous',
+    ...(hydration('user') || {isAnonymous: true}),
   },
   reducers: {
     addFriend: (state, action) => {},
+    addToFavorites: (state, action) => {},
     blockUser: (state, action) => {},
     removeFriend: (state, action) => {},
+    removeFromFavorites: (state, action) => {},
     updateFriendshipStatus: (state, action) => {},
   },
 });