Normally, a game follows a standard template with set rules. For instance, as their very basis, most games usually have a beginning and an end, which is similar to most other media, such as books, movies, and so on.
Mostly, this is due to the game following a story, however, even games that have no story still follow these rules as they provide a sense of completion and progression for the player.
There are even games that take this notion further by adding beats to the story with a climax and anticlimax providing the player with a sense of pace and allowing them to experience action-packed, adrenaline-pumping moments followed by slow-paced moments that allow them to rest.
And even still, there are other games that use foreshadowing moments to build up tension, which is very common in action, adventure, and horror games. However, the endless runner genre removes all that and allows players to play for as long as they would like, provided they survive that.
Since the game never truly...