Controls menu of Gulch.io unblocked game is not too much important. You just need to know common keys always needed in such action-packed iO games. Move with WASD and use your weapon with mouse. The important optional key is F which picks up inventory found on battle ground. Don’t forget that you can keep two kinds of weapon at once. You also should know that heavier weapons will decrease your moving speed for sure. Light weapons’ destruction power is lower than heavy ones. So you need to decide which one you need more: speed or power, considering enemy numbers which are showed on main while selecting region to connect. Survive as the last man standing to win the round against all enemies!