If you are interested in battle io games, Helmet Royale io might be a great alternative for you. The game provides cool battle action and retro 2D graphics. As it can be understood from the name, your character wears a defensive helmet. You will start with a weak helmet and make it stronger while you move around the map and collect slots. Meanwhile, you should watch out the enemies nearby. You can also collect slots from slot machines so that you can get random items. If you manage to defeat all your components and survive until the end of the game, you will be the winner. Enjoy this fantastic game!