Metal Slug Infinity, an idler by developer Ekkorr's which was announced in October last year, is currently available for pre-registration on the Play store.
Metal Slug Infinity is what happens when you strip all of the gameplay, replace all of the mechanics with management, and keep the aesthetic.
metal slug once was an arcade side scrolling game, not it‘s an idler? i get inconvenient goosebumbs of horror only thinking about it.