The great tree of knowledge
Yggdrasil is not simply the image you see spinning in the game. It is NutQuest's central metaphor: a living being that grows with you, branching and blossoming every time you overcome a challenge, master a subject or climb a league. In Norse mythology, Yggdrasil is the cosmic ash tree that sustains all existence — its roots plunge into the springs of fate, wisdom and the underworld, while its branches touch the sky of Asgard. In NutQuest, that same tree holds up your learning journey.
The choice was not arbitrary. The Norse Yggdrasil is the only symbol in human tradition that unites radically different worlds within a single living system. It is the perfect image of what we want you to experience when you study: that every subject you learn does not exist in a vacuum, but connects to everything else — that each new branch of knowledge grants access to perspectives that were previously out of reach.
The gateway to the worlds of knowledge
In the game, the tree is literally the gateway. From the world explorer — the screen you see when you tap Yggdrasil — you access the worlds you have created yourself: whatever topic you chose, at whatever depth you want. There is no closed catalogue or predefined paths: you can create worlds on any topic that sparks your curiosity, without limit.
The runes orbiting the tree are not decoration. Each one represents one of the game's nine competitive leagues. The ones that are lit up — from the base to your current position — show how far you have climbed competing with your friends and with the community. It does not depend on what topic you study: it depends on your persistence and performance. As you climb leagues, more runes light up and the tree gains presence and energy.
The 9 worlds = The 9 leagues
In Norse cosmology, Yggdrasil connects exactly nine worlds. Not eight, not ten: nine. That number recurs throughout the mythology — Odin hung from the tree for nine days, there are nine woods in Baldr's pyre, the serpent Níðhöggr gnaws at the roots while nine worlds breathe above. In NutQuest we took that structure and turned it into the game's league system: nine competitive tiers, each with its own character and visual identity inherited from the realm it represents. They are not knowledge categories — the worlds you can create are unlimited in topic — they are the framework in which you compete, progress and measure how far you have come.
The nine realms
League 1 Midgard — The realm of mortals
Midgard is the centre of the nine worlds. Positioned at the heart of Yggdrasil, it is the only realm accessible to humans without divine aid or magic. Its name means literally "middle enclosure", and that is precisely what it is: the starting point from which every traveller surveys the other eight realms before venturing toward them.
Midgard's mortals possess no supernatural powers, but they have something neither gods nor giants have: the ability to choose their path deliberately. In NutQuest, Midgard is the first league not as a mark of inferiority, but as an acknowledgement that all learning starts in the human plane — from unpretentious curiosity, from the honesty of recognising what you do not yet know.
League 2 Alfheim — The realm of the light elves
Alfheim is the most ethereal of the nine realms. Norse sources barely mention it — the Prose Edda describes it as the dwelling of the Ljósálfar, the light elves — and its scarcity of detail surrounds it with a mystery greater than any concrete description could provide. The light elves are associated with the sun, inspiration and that spark that is hard to name, the one that appears when knowledge becomes intuition.
They are not depicted as warriors or craftsmen: they are more like catalysts, beings whose presence illuminates what was previously dark. In NutQuest, Alfheim marks the threshold where learning stops being pure effort and starts creating unexpected connections — when you suddenly see how something you learned in one world illuminates a problem in another.
League 3 Svartalfheim — The realm of the dark elves
Svartalfheim — sometimes conflated with Nidavellir in later sources — is the territory of the Svartálfar and Dökkálfar, the dark elves. Unlike Alfheim's light elves, the dark elves inhabit shadows, move between the visible and the hidden, and master forms of knowledge that even the gods do not fully grasp. They are not necessarily malevolent: they are creatures of the threshold, of the spaces between light and dark where the deepest secrets are concealed.
In NutQuest, reaching Svartalfheim means the learner is starting to see beyond the obvious: the patterns that do not jump out, the connections that appear in no textbook but structure real knowledge. This is the league of those who are learning to read between the lines.
League 4 Jotunheim — The realm of the giants
Jotunheim is the realm of the Jötnar, the giants — the oldest beings in Norse cosmology, who existed before the gods shaped the world. The word "giant" does not do them justice: the Jötnar are primal forces, embodiments of chaos, cunning and ancestral wisdom. Thrym stole Thor's hammer. Skaði negotiated with the gods as an equal. Odin himself has giant blood: his mother Bestla was a Jötunn.
Jotunheim is not simply enemy territory: it is the territory of the enormous, of what exceeds comfortable comprehension. In NutQuest, this league marks the moment when knowledge acquires genuine depth — when subjects are no longer manageable at a glance and demand that the learner become larger to understand them.
League 5 Niflheim — The realm of ice and mist
Niflheim is one of the two primordial poles: darkness, ice and a mist so dense it clouds thought. It is the oldest realm of all, pre-dating even Muspelheim in some accounts. At its centre lies Hvergelmir, the spring from which all the world's rivers flow. Yggdrasil's deepest roots extend into Niflheim, where Níðhöggr — Norse mythology's most feared serpent — has gnawed at the tree without rest since the beginning of time.
Niflheim's apparent hostility conceals something essential: in absolute cold there is no ambiguity. Everything either is or is not. In NutQuest, this league demands a precision and rigour that previous ones did not require. Knowledge can no longer be vague; it must be exact, demonstrable, applicable without margin for error.
League 6 Muspelheim — The realm of fire
Muspelheim is the other primordial realm: blazing, eternal, older than the gods and the world. While Niflheim was ice and darkness, Muspelheim blazed with a fire that will never be extinguished. From the spark that flew when fire touched ice, Ymir — the first living being — was born, and from Ymir the gods shaped the world. Surtr, lord of fire, waits in Muspelheim until Ragnarök, when he will advance with his flaming sword and reduce the cosmos to ash so that it may be reborn.
In NutQuest, Muspelheim represents the learner who studies with fire: the person who no longer needs external motivation because knowledge itself propels them forward. This league belongs to those who have found their why and can no longer stop learning.
League 7 Helheim — The realm of the dead
Helheim is the realm ruled by Hel, daughter of Loki and Angrboda. Unlike Valhalla, where warriors fallen in battle await Ragnarök, Helheim receives all those who die of sickness, old age, or any cause other than combat. It is a place of silence and stillness, where souls simply... are. Hel herself embodies absolute duality: half living, half dead, she governs a realm no living traveller approaches willingly — and yet inside it, kings and beggars are exactly the same.
In NutQuest, Helheim represents the league of deep perspective. The learner who arrives here has already crossed six worlds and has learned to see beyond the surface. Helheim teaches that not everything that appears still is empty: the silences between concepts, the absences in data, the patterns that are not where you expect to find them — all of that is knowledge too.
League 8 Vanaheim — The realm of the Vanir
Vanaheim is the home of the Vanir gods — Freya, Freyr and Njörðr among the best known — an older and more mysterious lineage than the Aesir of the main pantheon. The Vanir master seiðr magic, fertility and nature in its most primal state. Their magic is not that of thunder or war: it is the magic of cycles, tides, of understanding the patterns that repeat across the universe.
They reached peace with the Aesir after a mythic war, exchanging distinguished hostages — Freya and Freyr went to Asgard, Hoenir and Mimir to Vanaheim. That exchange enriched both pantheons. In NutQuest, Vanaheim represents the mastery that flows: when knowledge no longer costs effort but unfolds naturally, when you command the material so fluently that its deep patterns reveal themselves without conscious strain.
League 9 Asgard — The realm of the gods
Asgard is the crown of Yggdrasil. Home of the Aesir — Odin, Thor, Freya, Tyr, Baldr, Loki and the rest of the pantheon — it rises above all other realms, connected to Midgard by the Bifrost, the rainbow bridge guarded by Heimdall. Within Asgard lies Valhalla, where warriors fallen in battle await Ragnarök alongside Odin. Here too is Hliðskjálf, the throne from which the Allfather can watch everything happening across the nine worlds.
But the story of Odin is not the story of a god born wise: it is the story of a being who paid unthinkable prices for knowledge. He sacrificed an eye at Mimir's well to drink of universal wisdom. He hung from Yggdrasil for nine days and nine nights, pierced by his own spear, without food or drink, until the runes — the Norse system of writing and magic — revealed themselves to him from the depths. In NutQuest, Asgard is the highest league not because its members are the strongest, but because they have sacrificed the most in the name of knowledge. Those who reach it have done, in their own way, exactly what Odin did.