The lead investment designer for Bungie's Destiny explains how their game aims to keep players engaged by the progresion in the game and how it compares to Borderlands, Dark Souls, and Monster Hunter.
Destiny is an upcoming open world action RPG / FPS hybrid set in an always online universe. Destiny will be "alive" according to Bungie and events that happen in-game are not controlled or planned by the developer. This helps create a dynamic experience for gamers.
The game is scheduled to be released sometime in 2014 on the Xbox 360, PlayStation 3, Xbox One, and PlayStation 4.