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:
- Crafting items to gain rare equipment (link; missions not found in the BBS)
- Craft a Mk5 Engine from dropped shipwreck loot (repeatable) (craft a Rare Engine and exchange for Rare Engine or a very large cash reward)*
- "A Healthy Enthusiasm" (repeatable) (craft a Spacefly Egg Collection and exchange for Rare Weapon or a very large cash reward)
- "A Piece of History" (craft a unique Ancient Relic Collection and exchange for Mk5 Shields or a large cash reward)
- "Treasure Hunt" (craft a unique Kha'ak Relic Collection and exchange for Mk5 Shields or a large cash reward)
- Craft: SETA (from loot drops) - activated in v4
- Craft: Jumpdrive (mission chain, mostly loot drops) - activated in v4**
- Operation Forge Guard
*A spare Rare Engine is required for the Jumpdrive mission
The Teladi Outpost (DLC)
- The Rising Tide
- A chain of generic missions for Urguas Armaments
- Corporate espionage: scanning, hacking and assassination
Home of Light (DLC)
- Another Gate Open**
- Xenon Invasion (major mission following on from a Ship in Distress generic mission).
**Jumpdrive & 'Another Gate Open' missions will only become available once you've completed the Campaign if you've selected that start; you'll have to return to OL to see the mission briefing in the BBS