diff --git a/css/swad18.123.css b/css/swad18.123.css
index 7a415f0f..565966dd 100644
--- a/css/swad18.123.css
+++ b/css/swad18.123.css
@@ -2615,6 +2615,13 @@ a:hover img.CENTRE_PHOTO_SHOW
 	display:table;
 	margin:5%;
 	width:90%;
+	text-align:center;
+	}
+.GAM_PLAY_STD_WAIT
+	{
+	box-sizing:border-box;
+	width:50%;
+	margin:0 auto;
 	}
 .GAM_PLAY_STD_NUM_QST
 	{
diff --git a/icon/flag-checkered.svg b/icon/flag-checkered.svg
new file mode 100644
index 00000000..0428068c
--- /dev/null
+++ b/icon/flag-checkered.svg
@@ -0,0 +1 @@
+<svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="flag-checkered" class="svg-inline--fa fa-flag-checkered fa-w-16" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="#404040" d="M243.2 189.9V258c26.1 5.9 49.3 15.6 73.6 22.3v-68.2c-26-5.8-49.4-15.5-73.6-22.2zm223.3-123c-34.3 15.9-76.5 31.9-117 31.9C296 98.8 251.7 64 184.3 64c-25 0-47.3 4.4-68 12 2.8-7.3 4.1-15.2 3.6-23.6C118.1 24 94.8 1.2 66.3 0 34.3-1.3 8 24.3 8 56c0 19 9.5 35.8 24 45.9V488c0 13.3 10.7 24 24 24h16c13.3 0 24-10.7 24-24v-94.4c28.3-12.1 63.6-22.1 114.4-22.1 53.6 0 97.8 34.8 165.2 34.8 48.2 0 86.7-16.3 122.5-40.9 8.7-6 13.8-15.8 13.8-26.4V95.9c.1-23.3-24.2-38.8-45.4-29zM169.6 325.5c-25.8 2.7-50 8.2-73.6 16.6v-70.5c26.2-9.3 47.5-15 73.6-17.4zM464 191c-23.6 9.8-46.3 19.5-73.6 23.9V286c24.8-3.4 51.4-11.8 73.6-26v70.5c-25.1 16.1-48.5 24.7-73.6 27.1V286c-27 3.7-47.9 1.5-73.6-5.6v67.4c-23.9-7.4-47.3-16.7-73.6-21.3V258c-19.7-4.4-40.8-6.8-73.6-3.8v-70c-22.4 3.1-44.6 10.2-73.6 20.9v-70.5c33.2-12.2 50.1-19.8 73.6-22v71.6c27-3.7 48.4-1.3 73.6 5.7v-67.4c23.7 7.4 47.2 16.7 73.6 21.3v68.4c23.7 5.3 47.6 6.9 73.6 2.7V143c27-4.8 52.3-13.6 73.6-22.5z"></path></svg>
diff --git a/icon/wait.gif b/icon/wait.gif
new file mode 100644
index 00000000..8b7f8a50
Binary files /dev/null and b/icon/wait.gif differ
diff --git a/swad_changelog.h b/swad_changelog.h
index 954e8d37..a2e4be0b 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -452,6 +452,10 @@ ps2pdf source.ps destination.pdf
 #define CSS_FILE		"swad18.123.css"
 #define JS_FILE			"swad18.123.js"
 /*
+	Version 18.123.1: May 22, 2019	Wait icon while a game has not started. (? lines)
+					Copy the following icon to icon public directory:
+sudo cp icon/wait.gif /var/www/html/swad/icon/
+
 	Version 18.123:   May 22, 2019	Game is refreshed automatically.
 					Code refactoring in actions related to AJAX refreshing. (242770 lines)
 	Version 18.122.5: May 20, 2019	Buttons for options in games. (242596 lines)
diff --git a/swad_firewall.c b/swad_firewall.c
index 3dd350d7..40707ad0 100644
--- a/swad_firewall.c
+++ b/swad_firewall.c
@@ -44,7 +44,7 @@ extern struct Globals Gbl;
    should be large enough to prevent an IP from being banned
    due to automatic refresh when the user is viewing the last clicks. */
 #define Fw_CHECK_INTERVAL		((time_t)(10UL))	// Check clicks in the last 10 seconds
-#define Fw_MAX_CLICKS_IN_INTERVAL	30			// Maximum of 30 clicks allowed in 10 seconds
+#define Fw_MAX_CLICKS_IN_INTERVAL	50			// Maximum of 50 clicks allowed in 10 seconds
 
 #define Fw_TIME_BANNED			((time_t)(60UL*60UL))	// Ban IP for 1 hour
 
diff --git a/swad_game.c b/swad_game.c
index 9abdddc8..59670c10 100644
--- a/swad_game.c
+++ b/swad_game.c
@@ -3401,7 +3401,7 @@ static void Gam_ShowQuestionBeingPlayed (void)
       ShowAnswers = (row[2][0] == 'Y');
      }
 
-   /***** Free structure that stores the query result *****/
+   /* Free structure that stores the query result */
    DB_FreeMySQLResult (&mysql_res);
 
    /***** Show question *****/
@@ -3453,6 +3453,14 @@ static void Gam_ShowQuestionBeingPlayed (void)
 
       fprintf (Gbl.F.Out,"</div>");
      }
+   else
+     {
+      fprintf (Gbl.F.Out,"<img src=\"%s/wait.gif\""
+			 " alt=\"Please wait\" title=\"%s\""
+			 " class=\"GAM_PLAY_STD_WAIT\" />",
+	       Cfg_URL_ICON_PUBLIC,
+	       "Por favor, espere a que el juego comience...");	// TODO: Need translation!!!!!
+     }
   }
 
 /*****************************************************************************/