diff --git a/changelog.md b/changelog.md
index 3d31e041..ebf3e594 100644
--- a/changelog.md
+++ b/changelog.md
@@ -7,6 +7,7 @@ Saves from 7.x are not compatible with 8.0.
 * **[Engine]** Support for DCS 2.8.6.41066, including the new Sinai map.
 * **[UI]** Limited size of overfull airbase display and added scrollbar.
 * **[UI]** Moved air wing and transfer menus to the toolbar to improve UI fit on low resolution displays.
+* **[UI]** Added basic game over dialog.
 
 ## Fixes
 
diff --git a/game/game.py b/game/game.py
index 9c45763c..d086b508 100644
--- a/game/game.py
+++ b/game/game.py
@@ -5,7 +5,6 @@ import logging
 import math
 from collections.abc import Iterator
 from datetime import date, datetime, time, timedelta
-from enum import Enum
 from typing import Any, List, TYPE_CHECKING, Type, Union, cast
 
 from dcs.countries import Switzerland, USAFAggressors, UnitedNationsPeacekeepers
@@ -37,6 +36,7 @@ from .theater.theatergroundobject import (
 )
 from .theater.transitnetwork import TransitNetwork, TransitNetworkBuilder
 from .timeofday import TimeOfDay
+from .turnstate import TurnState
 from .weather.conditions import Conditions
 
 if TYPE_CHECKING:
@@ -81,12 +81,6 @@ AWACS_BUDGET_COST = 4
 PLAYER_BUDGET_IMPORTANCE_LOG = 2
 
 
-class TurnState(Enum):
-    WIN = 0
-    LOSS = 1
-    CONTINUE = 2
-
-
 class Game:
     def __init__(
         self,
diff --git a/game/turnstate.py b/game/turnstate.py
new file mode 100644
index 00000000..80811f6d
--- /dev/null
+++ b/game/turnstate.py
@@ -0,0 +1,9 @@
+from __future__ import annotations
+
+from enum import Enum
+
+
+class TurnState(Enum):
+    WIN = 0
+    LOSS = 1
+    CONTINUE = 2
diff --git a/qt_ui/cheatcontext.py b/qt_ui/cheatcontext.py
new file mode 100644
index 00000000..d3fe6659
--- /dev/null
+++ b/qt_ui/cheatcontext.py
@@ -0,0 +1,28 @@
+from __future__ import annotations
+
+from collections.abc import Iterator
+from contextlib import contextmanager
+from typing import TYPE_CHECKING
+
+from game.server import EventStream
+from game.turnstate import TurnState
+from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
+from qt_ui.windows.gameoverdialog import GameOverDialog
+
+if TYPE_CHECKING:
+    from game import Game
+    from game.sim import GameUpdateEvents
+
+
+@contextmanager
+def game_state_modifying_cheat_context(game: Game) -> Iterator[GameUpdateEvents]:
+    with EventStream.event_context() as events:
+        yield events
+
+        state = game.check_win_loss()
+        if state is not TurnState.CONTINUE:
+            dialog = GameOverDialog(won=state is TurnState.WIN)
+            dialog.exec()
+        else:
+            game.initialize_turn(events)
+            GameUpdateSignal.get_instance().updateGame(game)
diff --git a/qt_ui/windows/QLiberationWindow.py b/qt_ui/windows/QLiberationWindow.py
index 1c92a0d6..195a201b 100644
--- a/qt_ui/windows/QLiberationWindow.py
+++ b/qt_ui/windows/QLiberationWindow.py
@@ -24,6 +24,7 @@ from game.persistence import SaveManager
 from game.server import EventStream, GameContext
 from game.server.dependencies import QtCallbacks, QtContext
 from game.theater import ControlPoint, MissionTarget, TheaterGroundObject
+from game.turnstate import TurnState
 from qt_ui import liberation_install
 from qt_ui.dialogs import Dialog
 from qt_ui.models import GameModel
@@ -39,6 +40,7 @@ from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
 from qt_ui.windows.PendingTransfersDialog import PendingTransfersDialog
 from qt_ui.windows.QDebriefingWindow import QDebriefingWindow
 from qt_ui.windows.basemenu.QBaseMenu2 import QBaseMenu2
+from qt_ui.windows.gameoverdialog import GameOverDialog
 from qt_ui.windows.groundobject.QGroundObjectMenu import QGroundObjectMenu
 from qt_ui.windows.infos.QInfoPanel import QInfoPanel
 from qt_ui.windows.logs.QLogsWindow import QLogsWindow
@@ -559,8 +561,13 @@ class QLiberationWindow(QMainWindow):
         logging.info("On Debriefing")
         self.debriefing = QDebriefingWindow(debrief)
         self.debriefing.exec()
-        self.game.pass_turn()
-        GameUpdateSignal.get_instance().updateGame(self.game)
+
+        state = self.game.check_win_loss()
+        if state is not TurnState.CONTINUE:
+            GameOverDialog(won=state is TurnState.WIN, parent=self).exec()
+        else:
+            self.game.pass_turn()
+            GameUpdateSignal.get_instance().updateGame(self.game)
 
     def open_tgo_info_dialog(self, tgo: TheaterGroundObject) -> None:
         QGroundObjectMenu(self, tgo, tgo.control_point, self.game).show()
diff --git a/qt_ui/windows/basemenu/QBaseMenu2.py b/qt_ui/windows/basemenu/QBaseMenu2.py
index 4b2a1e6c..fbc93431 100644
--- a/qt_ui/windows/basemenu/QBaseMenu2.py
+++ b/qt_ui/windows/basemenu/QBaseMenu2.py
@@ -9,19 +9,17 @@ from PySide6.QtWidgets import (
     QVBoxLayout,
     QWidget,
 )
-from dcs.ships import Stennis, KUZNECOW
 
 from game import Game
 from game.ato.flighttype import FlightType
 from game.config import RUNWAY_REPAIR_COST
-from game.server import EventStream
-from game.sim import GameUpdateEvents
 from game.theater import (
     AMMO_DEPOT_FRONTLINE_UNIT_CONTRIBUTION,
     ControlPoint,
     ControlPointType,
     FREE_FRONTLINE_UNIT_SUPPLY,
 )
+from qt_ui.cheatcontext import game_state_modifying_cheat_context
 from qt_ui.dialogs import Dialog
 from qt_ui.models import GameModel
 from qt_ui.uiconstants import EVENT_ICONS
@@ -119,13 +117,11 @@ class QBaseMenu2(QDialog):
         return self.game_model.game.settings.enable_base_capture_cheat
 
     def cheat_capture(self) -> None:
-        events = GameUpdateEvents()
-        self.cp.capture(self.game_model.game, events, for_player=not self.cp.captured)
-        # Reinitialized ground planners and the like. The ATO needs to be reset because
-        # missions planned against the flipped base are no longer valid.
-        self.game_model.game.initialize_turn(events)
-        EventStream.put_nowait(events)
-        GameUpdateSignal.get_instance().updateGame(self.game_model.game)
+        with game_state_modifying_cheat_context(self.game_model.game) as events:
+            self.cp.capture(
+                self.game_model.game, events, for_player=not self.cp.captured
+            )
+            self.close()
 
     @property
     def has_transfer_destinations(self) -> bool:
diff --git a/qt_ui/windows/basemenu/ground_forces/QGroundForcesStrategy.py b/qt_ui/windows/basemenu/ground_forces/QGroundForcesStrategy.py
index df59c091..ac37e7c6 100644
--- a/qt_ui/windows/basemenu/ground_forces/QGroundForcesStrategy.py
+++ b/qt_ui/windows/basemenu/ground_forces/QGroundForcesStrategy.py
@@ -3,10 +3,8 @@ from collections.abc import Callable
 from PySide6.QtWidgets import QGroupBox, QLabel, QPushButton, QVBoxLayout
 
 from game import Game
-from game.server import EventStream
-from game.sim.gameupdateevents import GameUpdateEvents
 from game.theater import ControlPoint
-from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
+from qt_ui.cheatcontext import game_state_modifying_cheat_context
 from qt_ui.windows.basemenu.ground_forces.QGroundForcesStrategySelector import (
     QGroundForcesStrategySelector,
 )
@@ -52,15 +50,12 @@ class QGroundForcesStrategy(QGroupBox):
         self.setLayout(layout)
 
     def cheat_alter_front_line(self, enemy_point: ControlPoint, advance: bool) -> None:
-        amount = 0.2
-        if not advance:
-            amount *= -1
-        self.cp.base.affect_strength(amount)
-        enemy_point.base.affect_strength(-amount)
-        front_line = self.cp.front_line_with(enemy_point)
-        front_line.update_position()
-        events = GameUpdateEvents().update_front_line(front_line)
-        # Clear the ATO to replan missions affected by the front line.
-        self.game.initialize_turn(events)
-        EventStream.put_nowait(events)
-        GameUpdateSignal.get_instance().updateGame(self.game)
+        with game_state_modifying_cheat_context(self.game) as events:
+            amount = 0.2
+            if not advance:
+                amount *= -1
+            self.cp.base.affect_strength(amount)
+            enemy_point.base.affect_strength(-amount)
+            front_line = self.cp.front_line_with(enemy_point)
+            front_line.update_position()
+            events.update_front_line(front_line)
diff --git a/qt_ui/windows/gameoverdialog.py b/qt_ui/windows/gameoverdialog.py
new file mode 100644
index 00000000..78ae24bf
--- /dev/null
+++ b/qt_ui/windows/gameoverdialog.py
@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+from PySide6.QtWidgets import (
+    QDialog,
+    QVBoxLayout,
+    QLabel,
+    QHBoxLayout,
+    QPushButton,
+    QWidget,
+)
+
+from qt_ui.windows.newgame.QNewGameWizard import NewGameWizard
+
+
+class GameOverDialog(QDialog):
+    def __init__(self, won: bool, parent: QWidget | None = None) -> None:
+        super().__init__(parent)
+        self.setModal(True)
+        self.setWindowTitle("Game Over")
+
+        layout = QVBoxLayout()
+        self.setLayout(layout)
+
+        layout.addWidget(
+            QLabel(
+                f"<strong>You {'won' if won else 'lost'}!</strong><br />"
+                "<br />"
+                "Click below to start a new game."
+            )
+        )
+        button_row = QHBoxLayout()
+        layout.addLayout(button_row)
+
+        button_row.addStretch()
+
+        new_game = QPushButton("New Game")
+        new_game.clicked.connect(self.on_new_game)
+        button_row.addWidget(new_game)
+
+    def on_new_game(self) -> None:
+        wizard = NewGameWizard(self)
+        wizard.show()
+        wizard.accepted.connect(self.accept)
diff --git a/qt_ui/windows/newgame/QNewGameWizard.py b/qt_ui/windows/newgame/QNewGameWizard.py
index 0c99d19c..e0e7c84f 100644
--- a/qt_ui/windows/newgame/QNewGameWizard.py
+++ b/qt_ui/windows/newgame/QNewGameWizard.py
@@ -95,6 +95,7 @@ def wrap_label_text(text: str, width: int = 100) -> str:
 class NewGameWizard(QtWidgets.QWizard):
     def __init__(self, parent=None):
         super(NewGameWizard, self).__init__(parent)
+        self.setModal(True)
 
         # The wizard should probably be refactored to edit this directly, but for now we
         # just create a Settings object so that we can load the player's preserved