Bellum Stellae.io is an exceptional and attractive 3D multiplayer strategy IO game freely available for desktop users. You can play it directly in a browser if you have a stable internet connection. It is an upgraded version of Bellum.io game, and you can expect an excellent graphic.
You have a possibility to see your goal in the top left corner of the screen. You will receive XP points for every successful mission, but you should expect challenging tasks and hard battle. There is a tutorial at the beginning of the game, and you can learn everything you have to know there. You have to capture as much land as you can. Also, you should try to trap your rivals by using the land's features. This game is not currently available for mobile users.