Players can also play and compete with their friends in the user-owned arenas.

Not yet but we're working on it :)

I also noticed that there isn't extra ammo anywhere in the game

They are a scarce resource [NFT] (Resident Evil style). But there will be some hidden in the crates eventually.

number of robots to kill, number of remaining robots and other tiny tips

Thanks for the feedback. We had these and remove them to clean up the visuals. May be worth putting them back.

Zero Lag and Support for Low performance computers

NOICE!