Moomoo.io, the new collector game. Collect resources around the map to build a village. With the windmills you place you will receive points over time. But other players will attack them to do you damage.
You move with the W, A, S, D keys. Look around with the mouse. Numbers 1 to 9 on the keyboard are for your items. Space is for attack/gather. Press E to auto attack, esc closes the window.
Be sure to stay close to your village to protect it at all times, other player can wreck you if you don't.