ACTION: A Player does an action (usually the core gameplay, like a single fight).In all games, a Core Loop usually is made of three parts: If it’s not focused enough or is too complex, players will be confused, and you will be left with a oversized game that didn’t deliver. Even if there are different modes, different ways of playing, there is always something that a player will repeatedly do. The Core Loop is a description of what a player will be doing repeatedly for the entirety of your game.
Your game lives and dies based on the design of your core loop. The “Core Loop” was a term popularized as free-to-play games became more mainstream, but it’s more than just a buzzword tossed around by executives.