IEC has identified a growing trend in the hyper-casual genre: Idle games. 

In the Hyper-casual world, the Idle genre refers to a type of game in which players can progress with minimum or without interaction—resources like money or other goods increase regularly, and players can interact to boost and speed-up resource acquisition. This type of user experience became increasingly popular last year, and it is about to explode in the next few months with the rise of Arcade Idle. The games mentioned above are part of this ongoing development, resulting in hybrid games in gameplay and metrics