Story Missions: Progress through the story, allow to build new rooms in your Villa, unlock new regions, and earn multiple rewards

Standard Missions: Earn codex for training

Loot Missions: Earn consumables used to craft Gear items

Legacy Missions: Cost Intel and allow you to earn DNA to unlock/promote assassins

Rift Missions: Special type of missions only accessible during Helix Rift Events and Helix Rift Challenges