Game Design · Merge RPG

Yggdrasil Tales

Yggdrasil Tales logo

“When the world tree dims, the realms forget how to burn.”

Haldor faces Thrym, king of the Frost Giants
Key Art
Trailer
The Concept

Haldor, a stubborn axe-bearer from Midgard, merges salvaged blades and relics of the gods into stronger weapons. Each merge wakes a rune, and each rune brings back a little of the fire, one frozen realm at a time.

Mobile Merge RPG Norse myth

Design Pillars

Setting Norse mythology, stylized and heroic
Tone Epic, warm-hearted, a little mischievous
Palette Nordic ice, with gold and ember-orange for hope
Motif Glowing cyan runes
The World

Nine realms hang from the branches of Yggdrasil, the great tree whose roots drink from the wells of fate. For ages its glow held the cold at bay. Now the glow is failing. Fimbulwinter, the winter before the end of the world, has begun to creep along the roots, and frost spreads from realm to realm. Runes that once blazed on every stone and blade are going dark.

The rune road leading to the fading world tree
The Theft

The frost has a king. Thrym, lord of the Frost Giants of Jotunheim, has stolen Mjolnir, the hammer of Thor, and hidden it deep in his ice fortress. Without the hammer, the gods of Asgard cannot hold the winter back, and the thunder that once kept the giants in check has gone silent. Thrym wants more than the hammer. He wants the tree itself, and a world of endless ice.

Far below, in the roots, something else stirs. Fenrir, the great wolf, has shaken loose the last strands of Gleipnir, the ribbon that bound him. Odin's ravens, Huginn and Muninn, fly the nine realms and carry the news back: the old bindings are breaking.

Thrym, king of the Frost Giants
Thrym
Fenrir, the great wolf
Fenrir
One of Odin's ravens
Huginn & Muninn
Frost Giant pose sheet
The Hero

Haldor is no god and no prince. He is a stocky axe-bearer from Midgard, a village at the foot of the tree, with a braided red beard and a stubborn streak. When the frost reaches his home, the gods have no answer, so he picks up his axe and walks the rune road toward the tree.

Haldor cannot light the runes alone, but he can forge. Salvaged blades, shards of old rune-steel and relics of the gods can be joined, two into one, into stronger weapons. Each merge wakes a rune. Each rune brings back a little of the fire.

Haldor, the axe-bearer of Midgard
Haldor
Haldor turnaround sheet
Haldor action poses
The Relics

Along the road lie the treasures of the gods, scattered by the winter: Gjallarhorn, the horn that will announce Ragnarok. Draupnir, the ring that drips new rings. The Helm of Awe. Freya's necklace Brisingamen. Gleipnir's last threads. The golden apples of Idunn. Each one carries power Haldor can borrow, and each one has a price.

Brisingamen, Gleipnir and a golden apple of Idunn
Gjallarhorn, Draupnir and the Helm of Awe
The Journey

Midgard is the home base. Beyond it lie the realms, one chapter at a time: Jotunheim and its king, the dwarven forges of Svartalfheim, the mist of Niflheim, the fires of Muspelheim, and, further on, Helheim and the golden halls of Asgard. Every realm has a guardian. Every guardian guards a piece of the tree's fading light.

Win the realms back, and the tree wakes. Fail, and the winter finishes what it began.

World map of the nine realms around Yggdrasil
World Map
Midgard home base screen
Midgard – Home Base
Gameplay & Interface

A merge board sits next to the battle: combine two items into a stronger one, wake a rune, and unleash it on the realm's guardian. The UI kit carries the carved-ice frames, gold trim and cyan runes across every screen.

Merge board and battle screen
Merge & Battle
Haldor's rune attack
Victory screen with rewards
UI kit: panels, bars and buttons
Menu icons
Weapons, Items & Props

Merge chains for axes and blades, consumables, and the buildings Haldor restores in Midgard.

Axe merge chain
Rune weapons
Potion, rune vial and golden key
Forge, rune stone and longship
Map tiles, chest and house
App icon
App Icon
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