About CombatZone.ioCombatZone.io is a multiplayer tank game. Destroy targets to gain experience points and level up. One skill pointis received for every level up.How to Play CombatZone.ioMove: W-A-S-D | Arrow Keys | Q-Z-S-D AZERTY keyboards. Use the mouse to aim.Fire: Hold left mouse buttonAuto Fire: Press aposEapos key to activateSkill Upgrades: Press 1-2-3-4-5-6CombatZone.io StrategyTower constantly fires to players, try to stay out of range.Use idle humvees as shields. Try to throw it to soldiers runway.Each building contains a number of soldiers, these soldiers only attack to the close players. Try to use it againstother players.