diff --git a/syng/client.py b/syng/client.py
index 17da827..8aa11bf 100644
--- a/syng/client.py
+++ b/syng/client.py
@@ -13,6 +13,7 @@ be one of:
 """
 
 from __future__ import annotations
+import logging
 import os
 import asyncio
 import datetime
@@ -63,6 +64,7 @@ def default_config() -> dict[str, Optional[int | str]]:
         "qr_box_size": 5,
         "qr_position": "bottom-right",
         "show_advanced": False,
+        "log_level": "info",
     }
 
 
@@ -112,6 +114,8 @@ class State:
             - `bottom-right`
         * `show_advanced` (`bool`): If the advanced options should be shown in the
             gui.
+        * `log_level` (`str`): The log level of the client. One of: `debug`, `info`, `warning`,
+            `error`, `critical`. Default is `info`.
 
     :type config: dict[str, Any]:
     """
@@ -130,6 +134,7 @@ class Client:
         config["config"] = default_config() | config["config"]
 
         self.is_running = False
+        self.set_log_level(config["config"]["log_level"])
         self.sio = socketio.AsyncClient(json=jsonencoder)
         self.loop: Optional[asyncio.AbstractEventLoop] = None
         self.skipped: list[UUID] = []
@@ -145,6 +150,19 @@ class Client:
         )
         self.register_handlers()
 
+    def set_log_level(self, level: str) -> None:
+        match level:
+            case "debug":
+                logger.setLevel(logging.DEBUG)
+            case "info":
+                logger.setLevel(logging.INFO)
+            case "warning":
+                logger.setLevel(logging.WARNING)
+            case "error":
+                logger.setLevel(logging.ERROR)
+            case "critical":
+                logger.setLevel(logging.CRITICAL)
+
     def register_handlers(self) -> None:
         self.sio.on("update_config", self.handle_update_config)
         self.sio.on("skip-current", self.handle_skip_current)
@@ -174,12 +192,16 @@ class Client:
 
         msg_type = data.get("type", "info")
         match msg_type:
+            case "debug":
+                logger.debug(data["msg"])
             case "info":
                 logger.info(data["msg"])
             case "warning":
                 logger.warning(data["msg"])
             case "error":
                 logger.error(data["msg"])
+            case "critical":
+                logger.critical(data["msg"])
 
     async def handle_update_config(self, data: dict[str, Any]) -> None:
         """
@@ -427,7 +449,7 @@ class Client:
                 await self.sio.emit("get-first")
         else:
             reason = data.get("reason", "Unknown")
-            logger.warning(f"Registration failed: {reason}")
+            logger.critical(f"Registration failed: {reason}")
             await self.sio.disconnect()
 
     async def handle_request_config(self, data: dict[str, Any]) -> None:
@@ -543,7 +565,7 @@ class Client:
         except asyncio.CancelledError:
             pass
         except ConnectionError:
-            logger.error("Could not connect to server")
+            logger.critical("Could not connect to server")
         finally:
             self.is_running = False
             if self.player.mpv is not None:
diff --git a/syng/gui.py b/syng/gui.py
index 234a4fd..ed2e078 100644
--- a/syng/gui.py
+++ b/syng/gui.py
@@ -466,6 +466,13 @@ class GeneralConfig(OptionFrame):
             ["top-left", "top-right", "bottom-left", "bottom-right"],
             config["qr_position"],
         )
+        self.add_choose_option(
+            "log_level",
+            "Log Level",
+            ["debug", "info", "warning", "error", "critical"],
+            config["log_level"],
+        )
+        self.add_bool_option("show_advanced", "Show Advanced Options", config["show_advanced"])
 
         self.simple_options = ["server", "room", "secret"]
 
@@ -658,7 +665,6 @@ class SyngGui(QMainWindow):
 
         self.syng_client_logging_listener = QueueListener(self.logqueue, self.log_label_handler)
         self.syng_client_logging_listener.start()
-        logger.setLevel(logging.DEBUG)
 
         self.setCentralWidget(self.central_widget)
 
@@ -787,8 +793,14 @@ class SyngGui(QMainWindow):
             self.client.quit_callback()
             self.set_client_button_start()
 
-    @pyqtSlot(str)
-    def print_log(self, log: str) -> None:
+    @pyqtSlot(str, int)
+    def print_log(self, log: str, level: int) -> None:
+        if level == logging.CRITICAL:
+            log_msg_box = QMessageBox(self)
+            log_msg_box.setIcon(QMessageBox.Icon.Critical)
+            log_msg_box.setWindowTitle("Critical Error")
+            log_msg_box.setText(log)
+            log_msg_box.exec()
         self.log_text.append(f"[{datetime.now().strftime('%H:%M:%S')}] {log}")
 
     def change_qr(self, data: str) -> None:
@@ -816,7 +828,7 @@ class SyngGui(QMainWindow):
 
 class LoggingLabelHandler(logging.Handler):
     class LogSignalEmiter(QObject):
-        log_signal = pyqtSignal(str)
+        log_signal = pyqtSignal(str, int)
 
         def __init__(self, parent: Optional[QObject] = None):
             super().__init__(parent)
@@ -830,7 +842,7 @@ class LoggingLabelHandler(logging.Handler):
         if not self._cleanup:  # This could race condition, but it's not a big
             # deal since it only causes a race condition,
             # when the program ends
-            self.log_signal_emiter.log_signal.emit(self.format(record))
+            self.log_signal_emiter.log_signal.emit(self.format(record), record.levelno)
 
     def cleanup(self) -> None:
         self._cleanup = True