Guardians are player characters divided into 3 classes: Titan, Hunter and Warlock and 3 races: Human, Awoken and Exo. The class chosen by the player will determine the player's abilities, stats and playstyle. The race has not effect on gameplay or stats. Race is merely a cosmetic choice.
- Main article: Titan
- Main article: Hunter
- Main article: Warlock
- Main article: Human
- Main article: Awoken
- Main article: Exo
The Guardians are the characters controlled by the players. They're sophisticated warriors assigned to defend the final city on Earth. Guardians are also responsible for studying the remains of human civilization left behind throughout the solar system. Their goals are to uncover the secrets of the Golden Age of voyage, exploration and discovery.
Guardians are fighting a difficult battle against numerous extraterrestrial enemy factions who present a serious risk against the survival of humanity. The most significant source of the Guardian's power is her supernatural capability to harness the ability of the Traveler and apply it as a weapon against her adversaries.