Surviv.io
Surviv.io is an interesting multiplayer online game, you will start a game with your bare fist, you need to find weapons and bullets by yourself, you may find some grenades if you are lucky, search the houses and little shack for weapons, but be careful of ambush, you may get killed on the moment you open the door. you can choose to fight alone or as in a team, both can provide you some joy. Have fun!