When changing the boolvalue game round won't end?

I have this part of my game script when the bool value turns true then the game should stop but then when I change it to true in server storage when testing it in studio the round will not end. Can you help?

	for _,player in pairs(Game.Players:GetChildren()) do
				local Gui = player.PlayerGui.Gui
				Gui.Label.Text = LocationMsg
				repeat
				    wait(1)
				   GameTime = GameTime - 1
				     Gui.Label.Text = "Game time: "..GameTime
				    
				  until  GameTime  == 0 or IsBombDisarmed == true
				  if IsBombDisarmed == true then
				     Gui.Label.Text = WinMsg
				     for _, player in pairs(Game.Players:GetChildren()) do
				        local Gui = player.PlayerGui.Gui
				        Gui.Label.Text = WinMsg
				        player.leaderstats.Credits.Value = player.leaderstats.Credits.Value + WinningAmount
				        wait(2)
				        GameTime = RestoreGameTimeAmmount
			            break
			            end
		           elseif GameTime == 0 then
		               
		                for _, player in pairs(Game.Players:GetChildren()) do
				        local Gui = player.PlayerGui.Gui
				        Gui.TextLabel.Text = LoseMsg
				        wait(2)
				        GameTime = RestoreGameTimeAmmount
				        break
				            
	                    end
			        end
				end      
			end	 
		end