Page History

Other than the main Campaign (link) and a variety of different 'generic' missions, X:Rebirth contains a number of unique or rare, side quests.

Base game:

• Treasure hunts (link)
  • Craft: Rare Engine (loot drops; repeatable)
  • Craft: Rare Weapon (loot drops; repeatable)
  • Craft: Unique Shields (unique, occasionally some fragile components)
• Craft: SETA (4.00 beta; loot drops)
• Craft: Jumpdrive (4.00 beta; mission chain)
• Operation Forge Guard
  • A chain of generic missions for the Argon (OL) (link)
  • Rewards unique licence (warning about major bug here)

...

• Another Gate Open (triggered after travel into one of the base vanilla game's systems, after Campaign is completed if that's your start).
• Xenon Invasion (major mission following on from a Ship in Distress generic mission).