'The Automatons were created by a long dead civilization known as the Reyans who perished many millennia ago due to the gradual self-destruction of their world.

Main Victory Type: Economic / Diplomatic.

+10% Damage Min per number of Allies on Fleet Weapons. +10% Damage Max per number of Allies on Fleet Weapons. 40% Ship Cost for Ship without Weapon Module on Empire. +4 per Faction at Peace or Allied With on System. +30% Trade Routes bonuses per Cooperation Treaty on System. Starts with the whole map known: Systems, Warps, Wormholes and Home Worlds are revealed. Though the Amoeba do not feel that their nature is to dominate and conquer, they can be viewed as warriors whose weapons are diplomacy and trade.' Traits Amoeba Affinity Their goal is to travel, meet, and learn, though their relatively defenseless natural form has bred into them the need to turn all situations to their advantage, and to be in control of their destiny.

Wise and urbane, they have an exceptionally high 'emotional intelligence' and are unusually open to other alien and intelligent species. Evolving slowly over millions of years with plenty of time to philosophize, it is not surprising that the Amoeba are diplomatic, cultural, and intellectual. 'A highly evolved form of a lowly species, these colorful beings come from an ocean world.

Main Victory Type: Diplomatic / Military.

These factions will interact with each other through Diplomacy. Players are allowed to create their own Custom Factions based on the built-in Factions. Upon Amplitude's completion of the Vaulters, they were released via free DLC. The Vaulters faction is a formerly unfinished faction accessible through the Founder Edition of Dungeon of the Endless. The Harmony faction was added in the expansion pack Endless Space: Disharmony. The faction was created by Panzer, a member of the Endless Space community.

The Automatons faction was added in the ' Rise of the Automatons' free add-on. The Sheredyn faction is a special faction included with the Emperor Edition of the game, but is functionally identical to the United Empire unless Endless Space: Disharmony has been downloaded, in which case it gains its own unique traits. Each has their own history and unique traits and bonuses.

Endless Space featured 8 playable factions at launch, and currently features 12 unique playable factions.

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