diff --git a/HOWTO.md b/HOWTO.md
index 1b6af85..6c458e0 100644
--- a/HOWTO.md
+++ b/HOWTO.md
@@ -85,6 +85,10 @@ Restart the computer.
 
 Change monitors config.
 
+### Target
+
+- **Device Integration:** easy_computer_manage
+
 ### Fields
 
 - `monitors_config`
@@ -103,11 +107,27 @@ Change monitors config.
         transform: normal
         scale: 2
       ```
-  
 
-- `entity_id`
-    - **Name:** Entity ID
-    - **Description:** Entity ID of the device to change the monitors config.
+
+
+## `steam_big_picture`
+
+### Description
+
+Start/stop Steam in Big Picture mode or go back to Steam desktop UI.
+
+### Target
+
+- **Device Integration:** easy_computer_manage
+
+### Fields
+
+- `action`
+    - **Name:** Action
+    - **Description:** Action to perform.
     - **Required:** true
-    - **Example:** "switch.my_computer"
-    - **Device Integration:** easy_computer_manage
+    - **Selector:** select
+    - **Options:**
+      - **start**: Start Steam in Big Picture mode.
+      - **stop**: Stop Steam in Big Picture mode.
+      - **exit**: Go back to Steam desktop UI.
\ No newline at end of file
diff --git a/custom_components/easy_computer_manager/const.py b/custom_components/easy_computer_manager/const.py
index 0d0b943..5390cc2 100644
--- a/custom_components/easy_computer_manager/const.py
+++ b/custom_components/easy_computer_manager/const.py
@@ -8,3 +8,4 @@ SERVICE_PUT_COMPUTER_TO_SLEEP = "put_computer_to_sleep"
 SERVICE_START_COMPUTER_TO_WINDOWS = "start_computer_to_windows"
 SERVICE_RESTART_COMPUTER = "restart_computer"
 SERVICE_CHANGE_MONITORS_CONFIG = "change_monitors_config"
+SERVICE_STEAM_BIG_PICTURE = "steam_big_picture"
diff --git a/custom_components/easy_computer_manager/services.yaml b/custom_components/easy_computer_manager/services.yaml
index e957dfe..d3bb87a 100644
--- a/custom_components/easy_computer_manager/services.yaml
+++ b/custom_components/easy_computer_manager/services.yaml
@@ -74,4 +74,26 @@ change_monitors_config:
           transform: normal
           scale: 2
       selector:
-        object:
\ No newline at end of file
+        object:
+steam_big_picture:
+  name: Start/stop Steam Big Picture
+  description: Start/stop Steam Big Picture.
+  target:
+    entity:
+      integration: easy_computer_manager
+      domain: switch
+  fields:
+    action:
+      name: Action
+      description: Choose whether to start/stop Steam Big Picture or go back to the desktop Steam UI.
+      required: true
+      example: "start"
+      selector:
+        select:
+          options:
+            - label: Start
+              value: start
+            - label: Stop
+              value: stop
+            - label: Exit and go back to the desktop Steam UI
+              value: exit
\ No newline at end of file
diff --git a/custom_components/easy_computer_manager/switch.py b/custom_components/easy_computer_manager/switch.py
index d5a1972..8ded868 100644
--- a/custom_components/easy_computer_manager/switch.py
+++ b/custom_components/easy_computer_manager/switch.py
@@ -37,7 +37,7 @@ from paramiko.ssh_exception import AuthenticationException
 from . import utils
 from .const import SERVICE_RESTART_TO_WINDOWS_FROM_LINUX, SERVICE_PUT_COMPUTER_TO_SLEEP, \
     SERVICE_START_COMPUTER_TO_WINDOWS, SERVICE_RESTART_COMPUTER, SERVICE_RESTART_TO_LINUX_FROM_WINDOWS, \
-    SERVICE_CHANGE_MONITORS_CONFIG
+    SERVICE_CHANGE_MONITORS_CONFIG, SERVICE_STEAM_BIG_PICTURE
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -95,31 +95,20 @@ async def async_setup_entry(
     )
 
     platform = entity_platform.async_get_current_platform()
-    platform.async_register_entity_service(
-        SERVICE_RESTART_TO_WINDOWS_FROM_LINUX,
-        {},
-        SERVICE_RESTART_TO_WINDOWS_FROM_LINUX,
-    )
-    platform.async_register_entity_service(
-        SERVICE_RESTART_TO_LINUX_FROM_WINDOWS,
-        {},
-        SERVICE_RESTART_TO_LINUX_FROM_WINDOWS,
-    )
-    platform.async_register_entity_service(
-        SERVICE_PUT_COMPUTER_TO_SLEEP,
-        {},
-        SERVICE_PUT_COMPUTER_TO_SLEEP,
-    )
-    platform.async_register_entity_service(
-        SERVICE_START_COMPUTER_TO_WINDOWS,
-        {},
-        SERVICE_START_COMPUTER_TO_WINDOWS,
-    )
-    platform.async_register_entity_service(
-        SERVICE_RESTART_COMPUTER,
-        {},
-        SERVICE_RESTART_COMPUTER,
-    )
+
+    services = [SERVICE_RESTART_TO_WINDOWS_FROM_LINUX,
+                SERVICE_RESTART_TO_LINUX_FROM_WINDOWS,
+                SERVICE_PUT_COMPUTER_TO_SLEEP,
+                SERVICE_START_COMPUTER_TO_WINDOWS,
+                SERVICE_RESTART_COMPUTER]
+
+    for service in services:
+        platform.async_register_entity_service(
+            service,
+            {},
+            service,
+        )
+
     platform.async_register_entity_service(
         SERVICE_CHANGE_MONITORS_CONFIG,
         make_entity_service_schema(
@@ -127,6 +116,13 @@ async def async_setup_entry(
         ),
         SERVICE_CHANGE_MONITORS_CONFIG,
     )
+    platform.async_register_entity_service(
+        SERVICE_STEAM_BIG_PICTURE,
+        make_entity_service_schema(
+            {vol.Required("action"): str}
+        ),
+        SERVICE_STEAM_BIG_PICTURE,
+    )
 
 
 class ComputerSwitch(SwitchEntity):
@@ -265,6 +261,14 @@ class ComputerSwitch(SwitchEntity):
         else:
             raise HomeAssistantError("The monitors config is empty.")
 
+    def steam_big_picture(self, action: str) -> None:
+        """Controls Steam Big Picture mode."""
+
+        if action is not None:
+            utils.steam_big_picture(self._connection, action)
+        else:
+            raise HomeAssistantError("You must specify an action.")
+
     def update(self) -> None:
         """Ping the computer to see if it is online and update the state."""
         ping_cmd = [
diff --git a/custom_components/easy_computer_manager/utils.py b/custom_components/easy_computer_manager/utils.py
index 7499d18..4278a77 100644
--- a/custom_components/easy_computer_manager/utils.py
+++ b/custom_components/easy_computer_manager/utils.py
@@ -317,3 +317,36 @@ def parse_gnome_monitor_config(output):
         monitors.append(current_monitor)
 
     return monitors
+
+
+def steam_big_picture(connection: Connection, action: str):
+    """Controls Steam in Big Picture mode on the host."""
+
+    _LOGGER.debug(f"Running Steam Big Picture action {action} on system running at {connection.host}.")
+
+    result = None
+    match action:
+        case "start":
+            if is_unix_system(connection):
+                result = connection.run("export WAYLAND_DISPLAY=wayland-0; export DISPLAY=:0; steam -bigpicture &")
+            else:
+                result = connection.run("start steam://open/bigpicture")
+        case "stop":
+            if is_unix_system(connection):
+                result = connection.run("export WAYLAND_DISPLAY=wayland-0; export DISPLAY=:0; steam -shutdown &")
+            else:
+                # TODO: check for different Steam install paths
+                result = connection.run("C:\\Program Files (x86)\\Steam\\steam.exe -shutdown")
+        case "exit":
+            if is_unix_system(connection):
+                # TODO: find a way to exit Steam Big Picture
+                pass
+            else:
+                # TODO: need to test (thx @MasterHidra https://www.reddit.com/r/Steam/comments/5c9l20/comment/k5fmb3k)
+                result = connection.run("nircmd win close title \"Steam Big Picture Mode\"")
+        case _:
+            raise HomeAssistantError(
+                f"Invalid action {action} for Steam Big Picture on system running at {connection.host}.")
+
+    if result is None or result.return_code != 0:
+        raise HomeAssistantError(f"Could not {action} Steam Big Picture on system running at {connection.host}.")