Your comments

try restarting your router it works for me
if your tank is not affecting anybody it could be lag. i suggest if this happens you realod the game and if its still happening clear your browsers cache
twins are good at a high rank depending on what you use with them. if u use wasp and twins then you will die very quickly and not attack your opponent much. if you have a heavy tank like mammoth then you have more time to attack your opponent and kill them. hope this helped
so players dont self destruct when somebody is about to kill them/
to report anybody in game all you have to do is simply get there name in a battle and enter in chat /vote and then there name 
Only moderators know when there will be a sale but sales often come during celebration days such as christmas