ShootEm.io is a fun, free deathmatch. It features classic top-down views and fantastic gameplay mechanics.
Explore the map to find melee or ranged weapons. You can also drive vehicles to avoid danger, or fight annoying enemies. You can avoid being attacked by other players by controlling your character or vehicle by using the WSAD keys, and then attacking with the left mouse button.
ShootEm.io lets you have a blast and have lots of fun playing a multiplayer deathmatch.