I think the "goldbox will be dropped soon" sign and "________ has gotten the gold box" are way to small and off to the side in the html5... in the flash they are big and clear in the top center of your screen. Its allways satifying to see those signs flash big on your screen. Also, when you are in a battle you can not see your current amount of crystals like you can in flash. In battle list, when you create a battle in html5 everything is kinda messy compared to flash. And no matter what you do, veteran players will allways like the flash version more because it brings the nostalgia of the good old days... PS its really annoying that you cannot press v to see aditional tank information (like alterations)