diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..2f40eb0
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,20 @@
+# Elixir CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-elixir/ for more details
+version: 2
+jobs:
+  build:
+    docker:
+      - image: elixir:1.5.2
+      - image: postgres:9.4.1
+        environment:
+          POSTGRES_USER: postgres
+    steps:
+      - checkout
+
+      # specify any bash command here prefixed with `run: `
+      - run: mix local.hex --force
+      - run: mix local.rebar
+      - run: mix deps.get
+      - run: mix ecto.create
+      - run: mix test
diff --git a/.credo.exs b/.credo.exs
new file mode 100644
index 0000000..dc7520b
--- /dev/null
+++ b/.credo.exs
@@ -0,0 +1,131 @@
+# This file contains the configuration for Credo and you are probably reading
+# this after creating it with `mix credo.gen.config`.
+#
+# If you find anything wrong or unclear in this file, please report an
+# issue on GitHub: https://github.com/rrrene/credo/issues
+#
+%{
+  #
+  # You can have as many configs as you like in the `configs:` field.
+  configs: [
+    %{
+      #
+      # Run any exec using `mix credo -C <name>`. If no exec name is given
+      # "default" is used.
+      #
+      name: "default",
+      #
+      # These are the files included in the analysis:
+      files: %{
+        #
+        # You can give explicit globs or simply directories.
+        # In the latter case `**/*.{ex,exs}` will be used.
+      #
+        included: ["lib/", "src/", "web/", "apps/"],
+        excluded: [~r"/_build/", ~r"/deps/"]
+      },
+      #
+      # If you create your own checks, you must specify the source files for
+      # them here, so they can be loaded by Credo before running the analysis.
+      #
+      requires: [],
+      #
+      # If you want to enforce a style guide and need a more traditional linting
+      # experience, you can change `strict` to `true` below:
+      #
+      strict: false,
+      #
+      # If you want to use uncolored output by default, you can change `color`
+      # to `false` below:
+      #
+      color: true,
+      #
+      # You can customize the parameters of any check by adding a second element
+      # to the tuple.
+      #
+      # To disable a check put `false` as second element:
+      #
+      #     {Credo.Check.Design.DuplicatedCode, false}
+      #
+      checks: [
+        {Credo.Check.Consistency.ExceptionNames},
+        {Credo.Check.Consistency.LineEndings},
+        {Credo.Check.Consistency.ParameterPatternMatching},
+        {Credo.Check.Consistency.SpaceAroundOperators},
+        {Credo.Check.Consistency.SpaceInParentheses},
+        {Credo.Check.Consistency.TabsOrSpaces},
+
+        {Credo.Check.Design.AliasUsage, false},
+        {Credo.Check.Design.DuplicatedCode, excluded_macros: []},
+        {Credo.Check.Design.TagTODO, exit_status: 2},
+        {Credo.Check.Design.TagFIXME},
+
+        {Credo.Check.Readability.FunctionNames},
+        {Credo.Check.Readability.LargeNumbers},
+        {Credo.Check.Readability.MaxLineLength, false},
+        {Credo.Check.Readability.ModuleAttributeNames},
+        {Credo.Check.Readability.ModuleDoc},
+        {Credo.Check.Readability.ModuleNames},
+        {Credo.Check.Readability.ParenthesesOnZeroArityDefs},
+        {Credo.Check.Readability.ParenthesesInCondition},
+        {Credo.Check.Readability.PredicateFunctionNames},
+        {Credo.Check.Readability.PreferImplicitTry},
+        {Credo.Check.Readability.RedundantBlankLines},
+        {Credo.Check.Readability.StringSigils},
+        {Credo.Check.Readability.TrailingBlankLine},
+        {Credo.Check.Readability.TrailingWhiteSpace},
+        {Credo.Check.Readability.VariableNames},
+        {Credo.Check.Readability.Semicolons},
+        {Credo.Check.Readability.SpaceAfterCommas},
+
+        {Credo.Check.Refactor.DoubleBooleanNegation},
+        {Credo.Check.Refactor.CondStatements},
+        {Credo.Check.Refactor.CyclomaticComplexity},
+        {Credo.Check.Refactor.FunctionArity},
+        {Credo.Check.Refactor.LongQuoteBlocks},
+        {Credo.Check.Refactor.MatchInCondition},
+        {Credo.Check.Refactor.NegatedConditionsInUnless},
+        {Credo.Check.Refactor.NegatedConditionsWithElse},
+        {Credo.Check.Refactor.Nesting},
+        {Credo.Check.Refactor.PipeChainStart},
+        {Credo.Check.Refactor.UnlessWithElse},
+
+        {Credo.Check.Warning.BoolOperationOnSameValues},
+        {Credo.Check.Warning.ExpensiveEmptyEnumCheck},
+        {Credo.Check.Warning.IExPry},
+        {Credo.Check.Warning.IoInspect},
+        {Credo.Check.Warning.LazyLogging},
+        {Credo.Check.Warning.OperationOnSameValues},
+        {Credo.Check.Warning.OperationWithConstantResult},
+        {Credo.Check.Warning.UnusedEnumOperation},
+        {Credo.Check.Warning.UnusedFileOperation},
+        {Credo.Check.Warning.UnusedKeywordOperation},
+        {Credo.Check.Warning.UnusedListOperation},
+        {Credo.Check.Warning.UnusedPathOperation},
+        {Credo.Check.Warning.UnusedRegexOperation},
+        {Credo.Check.Warning.UnusedStringOperation},
+        {Credo.Check.Warning.UnusedTupleOperation},
+        {Credo.Check.Warning.RaiseInsideRescue},
+
+        # Controversial and experimental checks (opt-in, just remove `, false`)
+        #
+        {Credo.Check.Refactor.ABCSize, false},
+        {Credo.Check.Refactor.AppendSingleItem, false},
+        {Credo.Check.Refactor.VariableRebinding, false},
+        {Credo.Check.Warning.MapGetUnsafePass, false},
+        {Credo.Check.Consistency.MultiAliasImportRequireUse, false},
+
+        # Deprecated checks (these will be deleted after a grace period)
+        #
+        {Credo.Check.Readability.Specs, false},
+        {Credo.Check.Warning.NameRedeclarationByAssignment, false},
+        {Credo.Check.Warning.NameRedeclarationByCase, false},
+        {Credo.Check.Warning.NameRedeclarationByDef, false},
+        {Credo.Check.Warning.NameRedeclarationByFn, false},
+
+        # Custom checks can be created using `mix credo.gen.check`.
+        #
+      ]
+    }
+  ]
+}
diff --git a/README.md b/README.md
index 6de3c02..1afe78d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Platform
 
+[![CircleCI](https://circleci.com/gh/elixir-elm-tutorial/platform.svg?style=svg)](https://circleci.com/gh/elixir-elm-tutorial/platform)
+
 This repository contains the source code for
 [elixir-elm-tutorial.herokuapp.com](https://elixir-elm-tutorial.herokuapp.com),
 which is the demo application from the
@@ -9,6 +11,7 @@ which is the demo application from the
 
 - Elixir 1.5
 - Phoenix 1.3
+- Elm 0.18
 
 ## Setup
 
@@ -24,6 +27,7 @@ which is the demo application from the
 
 - Run the test suite with `mix test`.
 - Check for outdated dependencies with `mix hex.outdated`.
+- Run static analysis with `mix credo --strict`.
 
 ## Deployment
 
@@ -33,4 +37,3 @@ This app is deployed to Heroku at https://elixir-elm-tutorial.herokuapp.com.
 
 - Open a [GitHub Issue](https://github.com/elixir-elm-tutorial/platform/issues).
 - Email me at `bijanbwb@gmail.com`.
-
diff --git a/config/config.exs b/config/config.exs
index ee9cc5e..316a1fc 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -11,6 +11,7 @@ config :platform,
 
 # Configures the endpoint
 config :platform, PlatformWeb.Endpoint,
+  instrumenters: [Appsignal.Phoenix.Instrumenter],
   url: [host: "localhost"],
   secret_key_base: "5WY2LoKih9wBLcSs1KJdSumLNMFDzgDYvhqwdZjFvSVgDDVIYjx+dHmikCho8/lm",
   render_errors: [view: PlatformWeb.ErrorView, accepts: ~w(html json)],
@@ -22,6 +23,14 @@ config :logger, :console,
   format: "$time $metadata[$level] $message\n",
   metadata: [:request_id]
 
+# AppSignal
+config :phoenix, :template_engines,
+eex: Appsignal.Phoenix.Template.EExEngine,
+exs: Appsignal.Phoenix.Template.ExsEngine
+
+config :platform, Platform.Repo,
+loggers: [Appsignal.Ecto, Ecto.LogEntry]
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env}.exs"
diff --git a/lib/platform/accounts/player.ex b/lib/platform/accounts/player.ex
index 51df7a3..113e3c8 100644
--- a/lib/platform/accounts/player.ex
+++ b/lib/platform/accounts/player.ex
@@ -1,11 +1,17 @@
 defmodule Platform.Accounts.Player do
+  @moduledoc """
+  Players equate to users on the platform. The player module allows for
+  creating player accounts that are usable for authentication, and once
+  players are authenticated they can play through the Elm front-end games
+  and track scores.
+  """
+
   use Ecto.Schema
   import Ecto.Changeset
   alias Platform.Accounts.Player
   alias Platform.Products.Game
   alias Platform.Products.Gameplay
 
-
   schema "players" do
     many_to_many :games, Game, join_through: Gameplay
 
diff --git a/lib/platform/application.ex b/lib/platform/application.ex
index cec541e..d1685b4 100644
--- a/lib/platform/application.ex
+++ b/lib/platform/application.ex
@@ -1,4 +1,8 @@
 defmodule Platform.Application do
+  @moduledoc """
+  Phoenix OTP Application
+  """
+
   use Application
 
   # See https://hexdocs.pm/elixir/Application.html
diff --git a/lib/platform/products/game.ex b/lib/platform/products/game.ex
index e49a546..402ac32 100644
--- a/lib/platform/products/game.ex
+++ b/lib/platform/products/game.ex
@@ -1,11 +1,16 @@
 defmodule Platform.Products.Game do
+  @moduledoc """
+  This module allows for creating game metadata and records on the
+  platform's back-end, but all game development actually occurs in
+  the Elm front-end.
+  """
+
   use Ecto.Schema
   import Ecto.Changeset
   alias Platform.Products.Game
   alias Platform.Products.Gameplay
   alias Platform.Accounts.Player
 
-
   schema "games" do
     many_to_many :players, Player, join_through: Gameplay
 
diff --git a/lib/platform/products/gameplay.ex b/lib/platform/products/gameplay.ex
index d28398f..d6adf32 100644
--- a/lib/platform/products/gameplay.ex
+++ b/lib/platform/products/gameplay.ex
@@ -1,4 +1,12 @@
 defmodule Platform.Products.Gameplay do
+  @moduledoc """
+  Gameplays connect players and games. They allow for tracking individual
+  player score "attempts", and can be aggregated for a player's total score.
+
+  Player gameplay data should be accessible via `player.gameplays`, and game
+  data should be accessible via `game.gameplays`.
+  """
+
   use Ecto.Schema
   import Ecto.Changeset
   alias Platform.Products.Gameplay
diff --git a/lib/platform_web/channels/score_channel.ex b/lib/platform_web/channels/score_channel.ex
index 44470b8..fb3aef7 100644
--- a/lib/platform_web/channels/score_channel.ex
+++ b/lib/platform_web/channels/score_channel.ex
@@ -1,16 +1,28 @@
 defmodule PlatformWeb.ScoreChannel do
+  @moduledoc """
+  Track scores from Elm front-end games (via elm-phoenix-socket).
+
+  Channel joins can use each game's slug so this should be reusable for
+  different games that send a `player_score` value.
+
+  The "save_score" message should allow players to both save their score to
+  the database and also broadcast it to any other users connected to the
+  socket.
+  """
+
   use PlatformWeb, :channel
+  use Appsignal.Instrumentation.Decorators
 
-  alias Platform.Accounts
   alias Platform.Products
 
-  def join("score:" <> game_slug, payload, socket) do
+  def join("score:" <> game_slug, _payload, socket) do
     game = Products.get_game_by_slug!(game_slug)
     socket = assign(socket, :game_id, game.id)
     {:ok, socket}
   end
 
-  def handle_in("save_score", %{"player_score" => player_score} = payload, socket) do
+  @decorate channel_action()
+  def handle_in("save_score", %{"player_score" => player_score}, socket) do
     payload = %{
       player_score: player_score,
       game_id: socket.assigns.game_id,
diff --git a/lib/platform_web/channels/user_socket.ex b/lib/platform_web/channels/user_socket.ex
index 1816565..3eea58a 100644
--- a/lib/platform_web/channels/user_socket.ex
+++ b/lib/platform_web/channels/user_socket.ex
@@ -21,7 +21,7 @@ defmodule PlatformWeb.UserSocket do
   # See `Phoenix.Token` documentation for examples in
   # performing token verification on connect.
   def connect(%{"token" => token}, socket) do
-    case Phoenix.Token.verify(socket, "user socket", token, max_age: 1209600) do
+    case Phoenix.Token.verify(socket, "user socket", token, max_age: 1_209_600) do
       {:ok, current_user_id} ->
         socket = assign(socket, :player_id, current_user_id)
         {:ok, socket}
diff --git a/lib/platform_web/endpoint.ex b/lib/platform_web/endpoint.ex
index 0c96eb4..c460274 100644
--- a/lib/platform_web/endpoint.ex
+++ b/lib/platform_web/endpoint.ex
@@ -38,6 +38,7 @@ defmodule PlatformWeb.Endpoint do
     key: "_platform_key",
     signing_salt: "ZlLKP/TE"
 
+  use Appsignal.Phoenix
   plug PlatformWeb.Router
 
   @doc """
diff --git a/lib/platform_web/templates/layout/app.html.eex b/lib/platform_web/templates/layout/app.html.eex
index 46c55c3..fab492a 100644
--- a/lib/platform_web/templates/layout/app.html.eex
+++ b/lib/platform_web/templates/layout/app.html.eex
@@ -42,5 +42,34 @@
     </div> <!-- /container -->
     <script>window.userToken = encodeURIComponent("<%= assigns[:user_token] %>");</script>
     <script src="<%= static_path(@conn, "/js/app.js") %>"></script>
+
+    <!-- Full Story Snippet -->
+    <script>
+      window['_fs_debug'] = false;
+      window['_fs_host'] = 'www.fullstory.com';
+      window['_fs_org'] = '3TRP3';
+      window['_fs_namespace'] = 'FS';
+      (function(m,n,e,t,l,o,g,y){
+        if (e in m && m.console && m.console.log) { m.console.log('FullStory namespace conflict. Please set window["_fs_namespace"].'); return;}
+        g=m[e]=function(a,b){g.q?g.q.push([a,b]):g._api(a,b);};g.q=[];
+        o=n.createElement(t);o.async=1;o.src='https://'+_fs_host+'/s/fs.js';
+        y=n.getElementsByTagName(t)[0];y.parentNode.insertBefore(o,y);
+        g.identify=function(i,v){g(l,{uid:i});if(v)g(l,v)};g.setUserVars=function(v){g(l,v)};
+        g.identifyAccount=function(i,v){o='account';v=v||{};v.acctId=i;g(o,v)};
+        g.clearUserCookie=function(c,d,i){if(!c || document.cookie.match('fs_uid=[`;`]*`[`;`]*`[`;`]*`')){
+        d=n.domain;while(1){n.cookie='fs_uid=;domain='+d+
+        ';path=/;expires='+new Date(0).toUTCString();i=d.indexOf('.');if(i<0)break;d=d.slice(i+1)}}};
+      })(window,document,window['_fs_namespace'],'script','user');
+    </script>
+
+    <!-- Google Analytics -->
+    <script>
+      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+      })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+      ga('create', 'UA-96476785-1', 'auto');
+      ga('send', 'pageview');
+    </script>
   </body>
 </html>
diff --git a/mix.exs b/mix.exs
index e0dc4ef..d67fc96 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Platform.Mixfile do
     [
       app: :platform,
       version: "0.0.1",
-      elixir: "~> 1.4",
+      elixir: "~> 1.5",
       elixirc_paths: elixirc_paths(Mix.env),
       compilers: [:phoenix, :gettext] ++ Mix.compilers,
       start_permanent: Mix.env == :prod,
@@ -20,7 +20,7 @@ defmodule Platform.Mixfile do
   def application do
     [
       mod: {Platform.Application, []},
-      extra_applications: [:logger, :runtime_tools]
+      extra_applications: [:appsignal, :logger, :runtime_tools]
     ]
   end
 
@@ -33,16 +33,19 @@ defmodule Platform.Mixfile do
   # Type `mix help deps` for examples and options.
   defp deps do
     [
+      {:appsignal, "~> 1.0"},
+      {:bcrypt_elixir, "~> 1.0"},
+      {:comeonin, "~> 4.0"},
+      {:cowboy, "~> 1.0"},
+      {:credo, "~> 0.8.0", only: [:dev, :test], runtime: false},
+      {:ex_machina, "~> 2.1", only: :test},
+      {:gettext, "~> 0.11"},
       {:phoenix, "~> 1.3.0"},
-      {:phoenix_pubsub, "~> 1.0"},
       {:phoenix_ecto, "~> 3.2"},
-      {:postgrex, ">= 0.0.0"},
       {:phoenix_html, "~> 2.10"},
       {:phoenix_live_reload, "~> 1.0", only: :dev},
-      {:gettext, "~> 0.11"},
-      {:cowboy, "~> 1.0"},
-      {:comeonin, "~> 4.0"},
-      {:bcrypt_elixir, "~> 0.12"}
+      {:phoenix_pubsub, "~> 1.0"},
+      {:postgrex, ">= 0.0.0"},
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index 71d59c3..7a18958 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,22 +1,36 @@
-%{"bcrypt_elixir": {:hex, :bcrypt_elixir, "0.12.1", "41ff5a4739fcff365fe840637462dc9e22beac07a9dcf3cb5e79b127f5b3a099", [], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
-  "comeonin": {:hex, :comeonin, "4.0.0", "a830a86c9e1646f6dab82b1c602681ec365135b75ea04638bdd5b3ed5221e39b", [], [{:argon2_elixir, "~> 1.2", [hex: :argon2_elixir, repo: "hexpm", optional: true]}, {:bcrypt_elixir, "~> 0.12", [hex: :bcrypt_elixir, repo: "hexpm", optional: true]}, {:pbkdf2_elixir, "~> 0.12", [hex: :pbkdf2_elixir, repo: "hexpm", optional: true]}], "hexpm"},
+%{"appsignal": {:hex, :appsignal, "1.4.5", "38309b8da51c728a282c1a8574deb2e7a9bb0a25c90624d85a93b4a98f136f7e", [], [{:decorator, "~> 1.2.2", [hex: :decorator, repo: "hexpm", optional: false]}, {:httpoison, "~> 0.11", [hex: :httpoison, repo: "hexpm", optional: false]}, {:phoenix, ">= 1.2.0", [hex: :phoenix, repo: "hexpm", optional: true]}, {:plug, ">= 1.1.0", [hex: :plug, repo: "hexpm", optional: true]}, {:poison, ">= 1.3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
+  "bcrypt_elixir": {:hex, :bcrypt_elixir, "1.0.5", "cca70b5c8d9a98a0151c2d2796c728719c9c4b3f8bd2de015758ef577ee5141e", [:make, :mix], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
+  "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [], [], "hexpm"},
+  "certifi": {:hex, :certifi, "2.0.0", "a0c0e475107135f76b8c1d5bc7efb33cd3815cb3cf3dea7aefdd174dabead064", [], [], "hexpm"},
+  "comeonin": {:hex, :comeonin, "4.0.3", "4e257dcb748ed1ca2651b7ba24fdbd1bd24efd12482accf8079141e3fda23a10", [:mix], [{:argon2_elixir, "~> 1.2", [hex: :argon2_elixir, repo: "hexpm", optional: true]}, {:bcrypt_elixir, "~> 0.12.1 or ~> 1.0", [hex: :bcrypt_elixir, repo: "hexpm", optional: true]}, {:pbkdf2_elixir, "~> 0.12", [hex: :pbkdf2_elixir, repo: "hexpm", optional: true]}], "hexpm"},
   "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [], [], "hexpm"},
   "cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [], [{:cowlib, "~> 1.0.2", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"},
   "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [], [], "hexpm"},
+  "credo": {:hex, :credo, "0.8.10", "261862bb7363247762e1063713bb85df2bbd84af8d8610d1272cd9c1943bba63", [], [{:bunt, "~> 0.2.0", [hex: :bunt, repo: "hexpm", optional: false]}], "hexpm"},
   "db_connection": {:hex, :db_connection, "1.1.2", "2865c2a4bae0714e2213a0ce60a1b12d76a6efba0c51fbda59c9ab8d1accc7a8", [], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
-  "decimal": {:hex, :decimal, "1.4.0", "fac965ce71a46aab53d3a6ce45662806bdd708a4a95a65cde8a12eb0124a1333", [], [], "hexpm"},
-  "ecto": {:hex, :ecto, "2.1.6", "29b45f393c2ecd99f83e418ea9b0a2af6078ecb30f401481abac8a473c490f84", [], [{:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: true]}, {:decimal, "~> 1.2", [hex: :decimal, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.8.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.13.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
+  "decimal": {:hex, :decimal, "1.4.1", "ad9e501edf7322f122f7fc151cce7c2a0c9ada96f2b0155b8a09a795c2029770", [:mix], [], "hexpm"},
+  "decorator": {:hex, :decorator, "1.2.3", "258681ae943e57bd92d821ea995e3994b4e0b62ae8404b5d892cb8b23b55b050", [], [], "hexpm"},
+  "ecto": {:hex, :ecto, "2.2.8", "a4463c0928b970f2cee722cd29aaac154e866a15882c5737e0038bbfcf03ec2c", [:mix], [{:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: true]}, {:decimal, "~> 1.2", [hex: :decimal, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.8.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.13.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
   "elixir_make": {:hex, :elixir_make, "0.4.0", "992f38fabe705bb45821a728f20914c554b276838433349d4f2341f7a687cddf", [], [], "hexpm"},
+  "ex_machina": {:hex, :ex_machina, "2.1.0", "4874dc9c78e7cf2d429f24dc3c4005674d4e4da6a08be961ffccc08fb528e28b", [:mix], [{:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm"},
+  "file_system": {:hex, :file_system, "0.2.4", "f0bdda195c0e46e987333e986452ec523aed21d784189144f647c43eaf307064", [], [], "hexpm"},
   "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [], [], "hexpm"},
-  "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [], [], "hexpm"},
-  "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [], [], "hexpm"},
+  "gettext": {:hex, :gettext, "0.14.0", "1a019a2e51d5ad3d126efe166dcdf6563768e5d06c32a99ad2281a1fa94b4c72", [:mix], [], "hexpm"},
+  "hackney": {:hex, :hackney, "1.10.1", "c38d0ca52ea80254936a32c45bb7eb414e7a96a521b4ce76d00a69753b157f21", [], [{:certifi, "2.0.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "5.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
+  "httpoison": {:hex, :httpoison, "0.13.0", "bfaf44d9f133a6599886720f3937a7699466d23bb0cd7a88b6ba011f53c6f562", [], [{:hackney, "~> 1.8", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
+  "idna": {:hex, :idna, "5.1.0", "d72b4effeb324ad5da3cab1767cb16b17939004e789d8c0ad5b70f3cea20c89a", [], [{:unicode_util_compat, "0.3.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm"},
+  "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [], [], "hexpm"},
+  "mime": {:hex, :mime, "1.2.0", "78adaa84832b3680de06f88f0997e3ead3b451a440d183d688085be2d709b534", [:mix], [], "hexpm"},
+  "mimerl": {:hex, :mimerl, "1.0.2", "993f9b0e084083405ed8252b99460c4f0563e41729ab42d9074fd5e52439be88", [], [], "hexpm"},
   "phoenix": {:hex, :phoenix, "1.3.0", "1c01124caa1b4a7af46f2050ff11b267baa3edb441b45dbf243e979cd4c5891b", [], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
-  "phoenix_ecto": {:hex, :phoenix_ecto, "3.2.3", "450c749876ff1de4a78fdb305a142a76817c77a1cd79aeca29e5fc9a6c630b26", [], [{:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
-  "phoenix_html": {:hex, :phoenix_html, "2.10.3", "432dec9e04372eeb7a6dbf59a778cf43eb44518441932217371fa535f2bcfd80", [], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
-  "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.0.8", "4333f9c74190f485a74866beff2f9304f069d53f047f5fbb0fb8d1ee4c495f73", [], [{:fs, "~> 0.9.1", [hex: :fs, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.0 or ~> 1.2-rc", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
+  "phoenix_ecto": {:hex, :phoenix_ecto, "3.3.0", "702f6e164512853d29f9d20763493f2b3bcfcb44f118af2bc37bb95d0801b480", [:mix], [{:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
+  "phoenix_html": {:hex, :phoenix_html, "2.10.5", "4f9df6b0fb7422a9440a73182a566cb9cbe0e3ffe8884ef9337ccf284fc1ef0a", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
+  "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.1.3", "1d178429fc8950b12457d09c6afec247bfe1fcb6f36209e18fbb0221bdfe4d41", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.0 or ~> 1.2 or ~> 1.3", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.2", "bfa7fd52788b5eaa09cb51ff9fcad1d9edfeb68251add458523f839392f034c1", [], [], "hexpm"},
   "plug": {:hex, :plug, "1.4.3", "236d77ce7bf3e3a2668dc0d32a9b6f1f9b1f05361019946aae49874904be4aed", [], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, repo: "hexpm", optional: true]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"},
   "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [], [], "hexpm"},
   "poolboy": {:hex, :poolboy, "1.5.1", "6b46163901cfd0a1b43d692657ed9d7e599853b3b21b95ae5ae0a777cf9b6ca8", [], [], "hexpm"},
   "postgrex": {:hex, :postgrex, "0.13.3", "c277cfb2a9c5034d445a722494c13359e361d344ef6f25d604c2353185682bfc", [], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"},
-  "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [], [], "hexpm"}}
+  "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [], [], "hexpm"},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.1", "28a4d65b7f59893bc2c7de786dec1e1555bd742d336043fe644ae956c3497fbe", [], [], "hexpm"},
+  "unicode_util_compat": {:hex, :unicode_util_compat, "0.3.1", "a1f612a7b512638634a603c8f401892afbf99b8ce93a45041f8aaca99cadb85e", [], [], "hexpm"}}
diff --git a/test/support/factory.ex b/test/support/factory.ex
new file mode 100644
index 0000000..4917871
--- /dev/null
+++ b/test/support/factory.ex
@@ -0,0 +1,29 @@
+defmodule Platform.Factory do
+  use ExMachina.Ecto, repo: Platform.Repo
+
+  def player_factory do
+    %Platform.Accounts.Player{
+      display_name: "José Valim",
+      username: "josevalim",
+      score: 0,
+    }
+  end
+
+  def game_factory do
+    %Platform.Products.Game{
+      description: "Platformer game example.",
+      featured: true,
+      slug: Enum.random(0..1000) |> Integer.to_string,
+      thumbnail: "https://i.imgur.com/L6ci0xL.png",
+      title: "Platformer",
+    }
+  end
+
+  def gameplay_factory do
+    %Platform.Products.Gameplay{
+      game_id: 1,
+      player_id: 1,
+      player_score: 1
+    }
+  end
+end
diff --git a/test/test_helper.exs b/test/test_helper.exs
index ce0dee4..a016a16 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -1,4 +1,5 @@
+{:ok, _} = Application.ensure_all_started(:ex_machina)
+
 ExUnit.start()
 
 Ecto.Adapters.SQL.Sandbox.mode(Platform.Repo, :manual)
-