If goodwill is under -50, it will rise by 0.2 per day. If goodwill is over 50, it will fall by 0.4 per day. This type of faction has a natural goodwill range from -50 to 50. They are quite open to trade and alliances, even with strange peoples.' 'This particular tribe pursues a gentle way of life where they can. They may not be as dangerous as pirates, but they are not insignificant. This faction is a formidable ally and foe alike, and may start off as either of them. They may not seem very strong due to their low level of technology, but they make up for it with sheer numbers. Tribe names often have words derived from Spanish, such as 'miñoca', 'legua', etc. People from this faction are usually very hard to recruit (difficulty 80+), though it is possible to do so. They always wear tribal clothing, which is equivalent in stats to a standard shirt.

They have probably inhabited the planet for a long time. The tribes are groups of neolithic people with basic weaponry such as bows and spears. Despite their apparent technological weakness, the tribals can be dangerous enemies and valuable friends because of their skill with low-tech warfare, their numbers, and their hardiness.' In any case, the tribals are a mostly nomadic people who live off the land using primitive tools and weapons. Maybe they survived some cataclysm that destroyed a technological civilization here. Maybe their ancestors crashed here a thousand years ago. 'These people have been here a very long time. The most common factions on rimworlds are made up of humans, with settlements all over the world (and other worlds, in the case of empires). Human-led factions will also occasionally provide quests. Biotech replace some of the starting faction with its Xeno-type faction as default, but both types can still be placed.

However, at 1.4, the limitation for how many can exist are 12, excluding Mechanoid Hive and Insect geneline. Starting 1.3, you can set which faction can exist for your current gameplay setup when creating worlds. Other factions are permanently hostile and exist only to send attacks. This can result in allies sending reinforcements or trade caravans, or new enemies to raid you. For most factions, the relationship between them and the player can vary depending on the actions the player takes. They are organisations whose members may appear as visitors, traders, guests, or raiders depending on the faction's type and relationship with the player's faction, or in their own faction bases around the map. Factions are the main source of NPC interactions in-game.

Ancient warfare 2 factions