Sins of the Fallen is one of the largest mods for Sins of a Solar empire boasting 6 unique expansion factions added to the already existing 3 vanilla factions .
Sins of the Fallen: Artifacts Addon
Artifacts are lost in space by Relic Civilizations and can be found orbiting distant gravity wells. Some Artifacts can be installed or attached to nearby Capital Ships or Titans dramatically improving various systems. Other Artifacts such as Cruisers and Starbase Constructors can be captured by your colony frigates.
An Alien Battleship is comparable in strength to a KOL. The Alien Battleship also comes pre-attached with an Alien Computer Artifact.
An Alien Carrier is comparable in strength to a Sova. The Alien Carrier has two squadron choices of Alien Fighters and Bombers. The Alien Carrier also comes pre-attached with an Alien Computer Artifact.
Alien Starbase Constructor
An abandoned Starbase Constructor which can be captured and deployed. Alien Starbases are capable of increased city population, trade, factory and resupply without additional research.
Capturable Artifact Upgrades
Artifact Upgrades can be installed or attached to nearby Capital Ships or Titans dramatically improving various systems.
Aegis Artifacts grant significant increases in Shield, Shield Mitigation and Regeneration.
Attaching this artifact improves antimatter usage on abilities
Phase Shift Artifact
Attaching this artifact allows the capital ship to selectively phase shift itself and shielding making it harder to hit and decreasing the possibility of weapons bypassing shields.
Attaching this artifact produces awe like wonder to nearby worlds (produces culture)
Attaching this artifact allows nanites to merge with the ships Hull increasing hull and hull point restoration
Alien Computer Artifact
Attaching this artifact merges an alien computer with your ship's systems increasing it's overall performance (Dropped mainly from Alien Battleships and Carriers)
Alcubierre Drive Artifact
Attaching this artifact merges an alcubierre drive to the ship dramatically improving Hyperspace charge up and travel time
Attaches a nanite cannon to the targetted ship, which can fire a beam of nanites at enemy targets and cause hull disintegration.