diff --git a/cromulant/ants.py b/cromulant/ants.py
index a96829d..59bf615 100644
--- a/cromulant/ants.py
+++ b/cromulant/ants.py
@@ -61,7 +61,8 @@ class Ants:
 
     @staticmethod
     def prepare() -> None:
-        Ants.get_ants()
+        Ants.get()
+        Ants.fill()
 
     @staticmethod
     def hatch(num: int = 1) -> None:
@@ -184,10 +185,11 @@ class Ants:
         ant.updated = Utils.now()
 
         Game.add_status(ant)
+        Game.update_info()
         Ants.save()
 
     @staticmethod
-    def get_ants() -> None:
+    def get() -> None:
         objs = Storage.get_ants()
         changed = False
 
@@ -203,6 +205,15 @@ class Ants:
         if changed:
             Ants.save()
 
+    @staticmethod
+    def fill() -> None:
+        diff = Config.max_ants - len(Ants.ants)
+
+        if diff <= 0:
+            return
+
+        Ants.hatch(diff)
+
     @staticmethod
     def random_name() -> str:
         return Utils.random_name(Ants.get_names())
@@ -315,3 +326,7 @@ class Ants:
 
         image_path = Config.terminated_image_path
         Game.add_message("Terminated", f"{ant.name} is gone", image_path)
+
+    @staticmethod
+    def clear() -> None:
+        Ants.ants = []
diff --git a/cromulant/game.py b/cromulant/game.py
index c6086ac..08a1455 100644
--- a/cromulant/game.py
+++ b/cromulant/game.py
@@ -20,7 +20,7 @@ from .settings import Settings
 
 
 class Game:
-    timer: QTimer
+    timer: QTimer | None = None
     playing_song: bool = False
 
     @staticmethod
@@ -166,7 +166,7 @@ class Game:
         if not ant:
             return
 
-        num = random.randint(1, 10)
+        num = random.randint(1, 12)
         status = ""
         method = "normal"
 
@@ -191,6 +191,8 @@ class Game:
         elif num == 8:
             status = Utils.random_country([])
             method = "travel"
+        elif num == 9:
+            Ants.merge()
         else:
             status = Utils.rand_sentence.sentence()
 
@@ -209,6 +211,9 @@ class Game:
 
     @staticmethod
     def start_loop() -> None:
+        if Game.timer:
+            Game.timer.stop()
+
         speed = Settings.speed
 
         if speed == "fast":
@@ -230,7 +235,6 @@ class Game:
             return
 
         Settings.set_speed(speed)
-        Game.timer.stop()
         Game.start_loop()
 
     @staticmethod
@@ -252,7 +256,6 @@ class Game:
                 text.append(f"Top:{nb}{ant.name} ({score})")
 
         Window.info.setText(Config.info_separator.join(text))
-        Window.info.adjustSize()
 
     @staticmethod
     def toggle_song() -> None:
@@ -267,3 +270,13 @@ class Game:
 
             Window.play_audio(path, on_stop)
             Game.playing_song = True
+
+    @staticmethod
+    def restart() -> None:
+        def action() -> None:
+            Ants.clear()
+            Window.clear_view()
+            Ants.fill()
+            Game.start_loop()
+
+        Window.confirm("Restart the ants?", action)
diff --git a/cromulant/main.py b/cromulant/main.py
index 686cab7..3c77a84 100644
--- a/cromulant/main.py
+++ b/cromulant/main.py
@@ -11,8 +11,8 @@ from .settings import Settings
 def main() -> None:
     Config.prepare()
     Utils.prepare()
-    Ants.prepare()
     Window.prepare()
+    Ants.prepare()
     Settings.prepare()
     Game.prepare()
     Game.start_loop()
diff --git a/cromulant/window.py b/cromulant/window.py
index 95c57b1..357384d 100644
--- a/cromulant/window.py
+++ b/cromulant/window.py
@@ -186,28 +186,13 @@ class Window:
 
     @staticmethod
     def add_buttons() -> None:
-        from .ants import Ants
         from .game import Game
         from .filter import Filter
 
         root = QWidget()
         container = QHBoxLayout()
-
-        btn_hatch = SpecialButton("Hatch")
-        btn_hatch.setToolTip("Hatch a new ant\nMiddle Click to hatch Trio")
-        btn_hatch.clicked.connect(lambda e: Ants.hatch())
-        btn_hatch.middleClicked.connect(lambda: Ants.hatch_burst())
-
-        btn_terminate = SpecialButton("Term")
-        btn_merge = SpecialButton("Merge")
-
-        btn_terminate.setToolTip(
-            "Terminate a random ant\nMiddle Click to terminate all"
-        )
-
-        btn_terminate.clicked.connect(lambda e: Ants.terminate())
-        btn_terminate.middleClicked.connect(lambda: Ants.terminate_all())
-        btn_merge.clicked.connect(lambda e: Ants.merge())
+        btn_restart = QPushButton("Restart")
+        btn_restart.clicked.connect(Game.restart)
 
         Window.speed = QComboBox()
         tooltip = "The speed of the updates\n"
@@ -220,14 +205,12 @@ class Window:
         Window.speed.currentIndexChanged.connect(Game.update_speed)
 
         Window.filter = FilterLineEdit()
-        Window.filter.setFixedWidth(120)
+        Window.filter.setFixedWidth(150)
         Window.filter.setPlaceholderText("Filter")
         Window.filter.mousePressEvent = lambda e: Window.to_top()
         Window.filter.keyReleaseEvent = lambda e: Filter.filter(e)
 
-        container.addWidget(btn_hatch)
-        container.addWidget(btn_terminate)
-        container.addWidget(btn_merge)
+        container.addWidget(btn_restart)
         container.addWidget(Window.speed)
         container.addWidget(Window.filter)
 
@@ -322,9 +305,7 @@ class Window:
         root.setContentsMargins(0, 0, 0, 0)
         container = QHBoxLayout()
         Window.info = SpecialButton("---")
-
         Window.info.setToolTip("Click to scroll to the bottom or top")
-
         Window.info.clicked.connect(Window.toggle_scroll)
         Window.info.setMinimumSize(35, 35)
         container.addWidget(Window.info)