diff --git a/squirrelbattle/game.py b/squirrelbattle/game.py
index ed3b60f..5fc130b 100644
--- a/squirrelbattle/game.py
+++ b/squirrelbattle/game.py
@@ -34,6 +34,7 @@ class Game:
         """
         self.state = GameMode.MAINMENU
         self.waiting_for_friendly_key = False
+        self.is_in_store_menu = True
         self.settings = Settings()
         self.settings.load_settings()
         self.settings.write_settings()
@@ -191,22 +192,31 @@ class Game:
         """
         In a store menu, we can buy items or close the menu.
         """
-        if key == KeyValues.SPACE:
+        menu = self.store_menu if self.is_in_store_menu else self.inventory_menu
+
+        if key == KeyValues.SPACE or key == KeyValues.INVENTORY:
             self.state = GameMode.PLAY
         elif key == KeyValues.UP:
-            self.store_menu.go_up()
+            menu.go_up()
         elif key == KeyValues.DOWN:
-            self.store_menu.go_down()
-        if self.store_menu.values and not self.player.dead:
+            menu.go_down()
+        elif key == KeyValues.LEFT:
+            self.is_in_store_menu = False
+        elif key == KeyValues.RIGHT:
+            self.is_in_store_menu = True
+        if menu.values and not self.player.dead:
             if key == KeyValues.ENTER:
-                item = self.store_menu.validate()
-                flag = item.be_sold(self.player, self.store_menu.merchant)
+                item = menu.validate()
+                owner = self.store_menu.merchant if self.is_in_store_menu \
+                    else self.player
+                buyer = self.player if self.is_in_store_menu \
+                    else self.store_menu.merchant
+                flag = item.be_sold(buyer, owner)
                 if not flag:
-                    self.message = _("You do not have enough money")
+                    self.message = _("The buyer does not have enough money")
                     self.display_actions(DisplayActions.UPDATE)
             # Ensure that the cursor has a good position
-            self.store_menu.position = min(self.store_menu.position,
-                                           len(self.store_menu.values) - 1)
+            menu.position = min(menu.position, len(menu.values) - 1)
 
     def handle_key_pressed_main_menu(self, key: KeyValues) -> None:
         """
diff --git a/squirrelbattle/locale/de/LC_MESSAGES/squirrelbattle.po b/squirrelbattle/locale/de/LC_MESSAGES/squirrelbattle.po
index 39cfeec..29bf10e 100644
--- a/squirrelbattle/locale/de/LC_MESSAGES/squirrelbattle.po
+++ b/squirrelbattle/locale/de/LC_MESSAGES/squirrelbattle.po
@@ -59,8 +59,8 @@ msgid "{player} exchanged its body with {entity}."
 msgstr "{player} täuscht seinem Körper mit {entity} aus."
 
 #: squirrelbattle/game.py:205 squirrelbattle/tests/game_test.py:573
-msgid "You do not have enough money"
-msgstr "Sie haben nicht genug Geld"
+msgid "The buyer does not have enough money"
+msgstr "Der Kaufer hat nicht genug Geld"
 
 #: squirrelbattle/game.py:249
 msgid ""
diff --git a/squirrelbattle/locale/es/LC_MESSAGES/squirrelbattle.po b/squirrelbattle/locale/es/LC_MESSAGES/squirrelbattle.po
index f4d1c3c..8a7bc3e 100644
--- a/squirrelbattle/locale/es/LC_MESSAGES/squirrelbattle.po
+++ b/squirrelbattle/locale/es/LC_MESSAGES/squirrelbattle.po
@@ -58,8 +58,8 @@ msgid "{player} exchanged its body with {entity}."
 msgstr "{player} intercambió su cuerpo con {entity}."
 
 #: squirrelbattle/game.py:205 squirrelbattle/tests/game_test.py:573
-msgid "You do not have enough money"
-msgstr "No tienes suficiente dinero"
+msgid "The buyer does not have enough money"
+msgstr "El comprador no tiene suficiente dinero"
 
 #: squirrelbattle/game.py:249
 msgid ""
diff --git a/squirrelbattle/locale/fr/LC_MESSAGES/squirrelbattle.po b/squirrelbattle/locale/fr/LC_MESSAGES/squirrelbattle.po
index 8b1c4db..ffbfdce 100644
--- a/squirrelbattle/locale/fr/LC_MESSAGES/squirrelbattle.po
+++ b/squirrelbattle/locale/fr/LC_MESSAGES/squirrelbattle.po
@@ -59,8 +59,8 @@ msgid "{player} exchanged its body with {entity}."
 msgstr "{player} a échangé son corps avec {entity}."
 
 #: squirrelbattle/game.py:205 squirrelbattle/tests/game_test.py:573
-msgid "You do not have enough money"
-msgstr "Vous n'avez pas assez d'argent"
+msgid "The buyer does not have enough money"
+msgstr "L'acheteur n'a pas assez d'argent"
 
 #: squirrelbattle/game.py:249
 msgid ""
diff --git a/squirrelbattle/tests/game_test.py b/squirrelbattle/tests/game_test.py
index 52aeeaf..c70ca8f 100644
--- a/squirrelbattle/tests/game_test.py
+++ b/squirrelbattle/tests/game_test.py
@@ -579,7 +579,8 @@ class TestGame(unittest.TestCase):
         self.game.handle_key_pressed(KeyValues.ENTER)
         self.assertNotIn(item, self.game.player.inventory)
         self.assertIn(item, merchant.inventory)
-        self.assertEqual(self.game.message, _("You do not have enough money"))
+        self.assertEqual(self.game.message,
+                         _("The buyer does not have enough money"))
         self.game.handle_key_pressed(KeyValues.ENTER)
 
         # Exit the menu