This is a kinda minigame but pretty big. Wave killer! You need to kill waves of mobs with armor and weapons. You can also have weapons by buying them in the shop. Every wave the mobs get better. You get money for each kill and can spend that money in the shop. You can have kits and i have a few kit ideas
Kit money maker:get 50% more money per kill
Kit weapon smith: you get a weapon. You can upgrade the level of this kit so you get better weapons.
Kit potatoooooo: you get poisonous potatos that are poison bombs to the mobs and you get consumable potatoes (potatoes are better than potions just so you know)
Maybe adding a mystery box ,double points , insta kill?
Kit money maker:get 50% more money per kill
Kit weapon smith: you get a weapon. You can upgrade the level of this kit so you get better weapons.
Kit potatoooooo: you get poisonous potatos that are poison bombs to the mobs and you get consumable potatoes (potatoes are better than potions just so you know)
Maybe adding a mystery box ,double points , insta kill?