diff --git a/homeassistant/components/steam_online/sensor.py b/homeassistant/components/steam_online/sensor.py
index 2ec78c52645..d25ebb7221b 100644
--- a/homeassistant/components/steam_online/sensor.py
+++ b/homeassistant/components/steam_online/sensor.py
@@ -28,6 +28,10 @@ STATE_SNOOZE = "snooze"
 STATE_LOOKING_TO_TRADE = "looking_to_trade"
 STATE_LOOKING_TO_PLAY = "looking_to_play"
 
+STEAM_API_URL = "https://steamcdn-a.akamaihd.net/steam/apps/"
+STEAM_HEADER_IMAGE_FILE = "header.jpg"
+STEAM_MAIN_IMAGE_FILE = "capsule_616x353.jpg"
+
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
         vol.Required(CONF_API_KEY): cv.string,
@@ -73,6 +77,7 @@ class SteamSensor(Entity):
         self._account = account
         self._profile = None
         self._game = None
+        self._game_id = None
         self._state = None
         self._name = None
         self._avatar = None
@@ -104,6 +109,7 @@ class SteamSensor(Entity):
         try:
             self._profile = self._steamod.user.profile(self._account)
             self._game = self._get_current_game()
+            self._game_id = self._profile.current_game[0]
             self._state = {
                 1: STATE_ONLINE,
                 2: STATE_BUSY,
@@ -119,6 +125,7 @@ class SteamSensor(Entity):
         except self._steamod.api.HTTPTimeoutError as error:
             _LOGGER.warning(error)
             self._game = None
+            self._game_id = None
             self._state = None
             self._name = None
             self._avatar = None
@@ -170,6 +177,11 @@ class SteamSensor(Entity):
         attr = {}
         if self._game is not None:
             attr["game"] = self._game
+        if self._game_id is not None:
+            attr["game_id"] = self._game_id
+            game_url = f"{STEAM_API_URL}{self._game_id}/"
+            attr["game_image_header"] = f"{game_url}{STEAM_HEADER_IMAGE_FILE}"
+            attr["game_image_main"] = f"{game_url}{STEAM_MAIN_IMAGE_FILE}"
         if self._last_online is not None:
             attr["last_online"] = self._last_online
         if self._level is not None: