In Zombain.io unblocked, you compete against enemies from around the world and waves of zombies. Since the game features the battle royale element, you should know that there can only be one winner. When you step into the arena, you are armed with a small revolver. Make sure you use it to shoot enemies that get in your way and slay all zombies around you while avoiding their shots. You can find stronger weapons to strengthen yourself, such as extreme submachine gun, powerful shotgun, and mega rocket-launcher. You should make use of these guns to deal damage to your opponents. If you are low on health, try to pick up the nearest health box to recover your health. You have to watch out for your surroundings because other enemies or zombies can ambush you. Like other battle royale games, in Zombain.io free online, you have to survive until the end of the match to become the winner. Have fun!