- The continent of Adonea (アドネア) has two large nations: The Sechs Empire and the Kingdom of Norad.
- There are also the Repulic of Eucraft (ユークラフト) and the Kingdom of Roland (ローランド). The games haven't mentioned them, except maybe as some character's birthplace.
- Sechs, ruled by Emperor Ethelbert, is pretty large and is stated to rule most of the world via conquest.
- Besides these 4 major nations, there are still some other countries.
- All games so far take place in Norad.
- The world outside of Rune Factory's Kardia is largely at peace. The conflict arises there only because it's at the border between two nations.
- The eastern nation is a small island country at the very east.
- It's style should be a mixture of Sengoku Period and Edo Period.
- Its people are samurai, ninja, merchants and miko (priestess / shrine maiden)
- The elven nation is an island country larger than the eastern nation. The island is covered by forest.
- Recently many elves are coming out of the island.
- Alvarna is a maritime city relatively far from Kardia. As a city, it's smaller than the capital of Norad.
- Trampoli is a much smaller place and can barely be called a village. Lots of people come here from Kardia. It's not immediately close to Kardia, but at a reasonable travel distance.
- Sharance is a mountain city.
- Fenith Island is one of many islands on the wide ocean.
- Selphia is where Rune Factory 4 takes place.
- Sechs technology and machinery are different from modern concept of machinery.
- To illustrate this, Hashimoto chose two examples: the concept of aether, an idea modern science has rendered obsolete, and Japanese scientists of Edo Period.
- In other words, Sechs science is similar to real world's old sciences like phlogiston, and unlike in real world, their science works.
- Unlike Sechs's machine civilization, Norad has developed a magic civilization.
- The Rune Factory world is quite paradoxical with its technology, for while they have Refrigerators and electricity, they seem to still fight with swords and an array of melee weapons.
- To illustrate: Modern day technologies such as fridges, tanks, electricity, powered boats, and powered elevators are present throughout the games, however, the main infantry unit of the time is the medieval knight.
- There are three known religions in the series, one is one similiar to the Judeo-Christian religions, the other is one similiar to Shinto, and the last is Dragon Worship- i.e, the worship of the Divine Dragons (Terrable, Fiersome, Aquaticus, and Ventuswill)
- The Juedo-Christian like religion is mostly based off real world Catholicism, since it has churches and a hierarchical structure of priests (Wesley, Gordon, Gerard) and sisters (Stella, Lara).
- The Shinto-like religion is mostly followed by Easterners like Shino, and is exclusive in appearance to Sharance.
- The Dragon Worship has no known official followers, but cases where the dragons are respected are found (Ventuswill and Volkanon/Forte)
- Humanity originated in Norad.
- Most elves live in their own country.
- The elves are led by a queen and several elders.
- Races such as univir and mermaids still mostly only live in certain specific regions.
- "Earthmates" are people capable of communicating with the land and the spirits.
- In ancient times, an earthmate has all the earthmate powers. In modern times, an earthmate is defined as a person who's inherited part of these powers.
- "Tamitaya" is essentially a magic that returns a person to where he belongs. Using tamitaya on a monster in the human world would send it back to Forest of Beginnings; using tamitaya on a human in Forest of Beginnings would send him back to the human world.
- Also known as "Retornen" in american version of the games.
- The Gates are just portals linking the human world to the Forest of Beginnings. As we know, the empire has developed machines to artificially "shift" monsters to the human world.
- "Rune" is the life force of everything. It's love, the source of life, whatever you call it.
- RP (Rune Points) is a real thing.
- When vegetables are raised with care, they emit crystalized Runes.
- Runeys are something very close to the spirits, capable of gathering the spirits and influencing them. When runeys create a great effect on the environment such as affecting crop growth or rainfall, whether postively or negatively, it's called a "rune wonder".
- While runeys have only appeared in two games, they are in fact everywhere. Different places call them different names.
- Ordinary people can see runeys.
- The de Sainte-Coquille family isn't nobility.
- They are also not merchants. There is no explanation where their wealth came from.
- The head of the families are all big eaters; they don't live in cities because the food is tastier in rural regions.
- They periodically meet each other, but these meetings are more about food than anything.
- A character mentions: "Will Max's body grow like his father? No idea, certainly sounds dangerous."
- Lynette comes from an elite family that has for generations contributed soldiers to the empire.
- Lynette tells people she wears a eyepatch because her left eye has been wounded in battle. You may already know this isn't true.
- Kuruna and Ondorus are childhood friends. Kuruna is older.
- The age difference between them is about 1. However, one unit of univir age is equal to about 19 or 20 human years.
- The Kanno-Cinnamon-Candy family is named after sweets in the original Japanese version, as Kanno was called Kanro, which can mean "nectar", and Cinnamon was called Drop, referring to liquorice.
- Mei is a human. She's also more than 100 years old.
- Mei is in Kardia investigating something about the empire. (Or in words of the character list, "fighting against the empire alone".)
- It seems she once had to follow someone's order, but is now acting on her will.
In Freya's words: Mei's past is shrouded in mystery. Evidently, she once had great power which she misused. She often will remind you that power carries responsibility with it.
- Sharron is a miko investigating the ruins.
- She is capable of hearing prophecies about the future of the world.
- She's probably not human.
- Miko is generally translated as "shrine maiden" or priestess, but in Sharron's case, "oracle" would be a fitting description of her job. In real world history, miko did functioned as oracles. The Zelda series had translated "miko" as oracles.
- Ivan and Raguna are related to Gilbert, the king of Norad.
- Ivan is the king's second cousin.
- Raguna was separated from Ivan in a shipwreck at a young age. After hearing rumors of Raguna appearing in Kardia, Ivan disguised himself as a travelling merchant and went to Kardia in search of him.
Rune Factory 2
- Mana wouldn't get married because she dreams of becoming a teacher, and puts higher priority on this dream.
- Kyle isn't of royal birth.
- Kyle's powers as an earthmate are weak. His children are the ones with strong powers.
- The earth script written on the tablets is the writing system of ancient earthmates.
- The ancient magic is stronger than modern magic, but has disappeared along with earthmates.
- Kyle's children have inherited the earthmate blood, that's why they can use it.
- Barret and Kyle's children are currently still working on deciphering this writing system.
Rune Factory Frontier
- In the original Japanese version, Nolan was called Roland. See the names of nations above.
- Iris is not human, but a race "closer to spirits". She's not a vampire.
- The Whale Island used to be a place where they live. The ruins are built centuries ago.
- Iris's race has a very low birth rate, and isn't very interested in reproduction. As a result, they have to crossbreed with humans to keep themselves from extinction. There may be no pure blood left now.
Rune Factory 3
- Her parent race is something similar to phoenix. Among monsters, its rank is very high, close to the dragon gods.
- Hazel and Shinonome didn't knew each other when they were young. However, once they met, they realized as single mothers, they have much in common.
- "Shinonome's secret" is a joke. While she used to be a fighter, today she's just a mother, not some secret agent of the eastern nation. And her inn is definitely not a front for Mei and Yue's intel gathering. Mei and Yue are just two travellers who happen to stay at her inn.
- The kanji for Uzuki's name is 卯月. (The word "Uzuki" means "April", but there are more than one way to write it in kanji.)
- Still no kanji for Yue's name.
Previously we knew only this: NNescio wrote: "To clarify something about Shinonome's name, it's written in hiragana, but is probably meant to be 東雲, or Daybreak (lit: East Clouds), in kanji. Hiragana does lend sort of a Kansai feel. Then again, almost all of the (vaguely-) Japanese characters in the RF games have their names written in kana. Yue, Kansai accent aside, could be (vaguely-)Chinese as her name is written in katakana instead of hiragana. Mei has an inauspicious canon kanji name 冥 (dark/gloomy/death)"