diff --git a/titivillus/jinja2.py b/titivillus/jinja2.py
index 8d02a74..18108fc 100644
--- a/titivillus/jinja2.py
+++ b/titivillus/jinja2.py
@@ -3,8 +3,9 @@
 Custom Jinja2 environment.
 """
 import jinja2
-from django.contrib.staticfiles.storage import staticfiles_storage
 from django.urls import reverse
+from django.contrib import messages
+from django.contrib.staticfiles.storage import staticfiles_storage
 
 def environment(**options):
 	"""
@@ -12,11 +13,13 @@ def environment(**options):
 	"""
 	env = jinja2.Environment(**options)
 	env.globals.update({
-		'static': staticfiles_storage.url,
-		'url': reverse,
 		'undefined': jinja2.StrictUndefined,
 		'autoescape': True,
 		'trim_blocks': True,
 		'lstrip_blocks': True,
+
+		'url': reverse,
+		'static': staticfiles_storage.url,
+		'get_messages': messages.get_messages,
 	})
 	return env
diff --git a/titivillus/settings.py b/titivillus/settings.py
index 4050028..0ae81a6 100644
--- a/titivillus/settings.py
+++ b/titivillus/settings.py
@@ -31,9 +31,12 @@ INSTALLED_APPS = [
 	'django.contrib.sessions',
 	'django.contrib.messages',
 	'django.contrib.staticfiles',
-	'quest.apps.QuestConfig',
+	'users.apps.UsersConfig',
 	'homepage.apps.HomepageConfig',
 	'create_quest.apps.CreateQuestConfig',
+	'quest.apps.QuestConfig',
+	'login.apps.LoginConfig',
+	'signup.apps.SignupConfig',
 ]
 
 MIDDLEWARE = [
@@ -58,6 +61,19 @@ TEMPLATES = [
 			'auto_reload': DEBUG,
 		},
 	},
+	{
+		'BACKEND': 'django.template.backends.django.DjangoTemplates',
+		'DIRS': [],
+		'APP_DIRS': True,
+		'OPTIONS': {
+			'context_processors': [
+				'django.template.context_processors.debug',
+				'django.template.context_processors.request',
+				'django.contrib.auth.context_processors.auth',
+				'django.contrib.messages.context_processors.messages',
+			],
+		},
+	},
 ]
 
 WSGI_APPLICATION = 'titivillus.wsgi.application'
@@ -87,6 +103,9 @@ AUTH_PASSWORD_VALIDATORS = [
 	},
 	{
 		'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+		'OPTIONS': {
+			'min_length': 8,
+			}
 	},
 	{
 		'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
@@ -119,3 +138,12 @@ STATIC_ROOT = '/usr/local/www/html/static/'
 STATICFILES_DIRS = [
 	os.path.join(BASE_DIR, 'static'),
 ]
+
+AUTH_USER_MODEL = 'users.User'
+
+PASSWORD_HASHERS = [
+	'django.contrib.auth.hashers.Argon2PasswordHasher',
+	'django.contrib.auth.hashers.PBKDF2PasswordHasher',
+	'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
+	'django.contrib.auth.hashers.BCryptSHA256PasswordHasher',
+]
diff --git a/titivillus/urls.py b/titivillus/urls.py
index 23c7746..35d0fe2 100644
--- a/titivillus/urls.py
+++ b/titivillus/urls.py
@@ -11,4 +11,7 @@ urlpatterns = [
 	path('quest/', include('quest.urls')),
 	path('create_quest/', include('create_quest.urls')),
 	path('set_session/', include('set_session.urls')),
+	path('signup/', include('signup.urls')),
+	path('login/', include('login.urls')),
+	path('logout/', include('logout.urls')),
 ]