You love gaming and know MMORPGs, like World of Warcraft, from the inside and out.
You know that role-playing games revolve around progression through adventure.
You know that this adventure involves undertaking quests, facing monsters, acquiring treasure, and gaining experience which collectively embody the game mechanics that allow you to level up your level within the game.
And you know that you undertake these challenges within an imaginary game world that includes zones, with accompanying levels associated to each of them. In addition, you know that additional expansions to the game offering more zones and levels to adventure through, keeping the adventure and progression going.
To understand how life is a role-playing game, all we need to do is realize how the game mechanics of role-playing games actually embody the narrative mechanics of life in terms of growth and development. In this way, we can understand the deepening meaning of what each of these keywords above mean within the context of life as a role-playing game.