Crowd Battle Gun Rush is a parkour game, at the beginning of the game, you only have an axe, which is the least lethal weapon, you have to keep moving forward, on the way forward, you have to collect bundles of money, but make sure you don't run into the obstacles on the road, otherwise you will lose part of the money, which can be used to buy weapons and ammo when you have your weapons ready, you can aim at the crowds of people that keep appearing, and keep attacking and destroying them.
