❚ INTRODUCTION
Are you ready to take on this challenge?
This game looks simple, but it’s ruthless on the inside. Tricky mechanics are waiting to catch you, and one wrong move could send you straight back to the bottom! But don’t worry, you can try as many times as you want, so get stronger (mentally) each time you fall!
The feeling of despairing over your mistakes, yet gradually improving, is incredibly addictive. If that’s you, then you’re definitely a special person!
And just when you think climbing is all there is, you’re in for an even more hellish… no, ultimate stage! Whether you’ll reach it depends on your skill! If you’ve made it this far, don’t run away now!
Challenge again and again, fall again and again, and in the end, laugh!
❚ STORY
Long, long ago—so long that no one remembers exactly when—
humankind found itself living deep underground.
How did it come to this? No one really knows.
“It was the war! We destroyed the surface ourselves!”
“No, it was divine punishment—we were cast down by God!”
Many theories exist, but one thing’s certain: the surface world is lost.
Countless years have passed, and humanity is slowly fading away.
At this rate, extinction is only a matter of time.
And yet… the yearning for the sky has never truly vanished.
“One day… I want to see the real sky.”
Some still dream. But most have given up, accepting their fate to perish in the dark, forgotten depths.
Still, one glimmer of hope remains—
a mysterious tower said to reach all the way to the surface.
But beware: only the fearless dare to climb it.
The path is treacherous, and a strange Administrator is rumored to stand in the way.
Worse yet, to ascend the tower is said to be…
an act of rebellion against the gods themselves.
So then—what about you?
Will you take the first step?
❚ CHARACTER
Itaru (heroine)
A cheerful, energetic girl living deep underground with her mother.
Her innocent smile and petite frame hide incredible physical strength and a will of steel.
Since she was little, she’s dreamed of the “sky” she read about in stories.
While others feared the mysterious tower, she felt drawn to it, fascinated by the challenge no one dared to face.
“Just living and dying underground? That’s so boring!”
With that thought burning in her heart, she made her decision.
To challenge the very same tower that once called to her now-missing father—
the tower that reaches toward the surface.
What awaits her at the end of this journey? Hope… or something else entirely?
Administrator
A mysterious entity that oversees the tower leading to the surface.
Its identity, its purpose—everything remains unknown.
It constantly watches those who dare to climb, and when they fail, it unleashes sharp, biting words.
Mocking. Provoking. As if testing them for some unseen reason.
Why does it monitor the tower?
How long has it been there?
No one knows.
All that’s known is a rumor: the Administrator waits at the very top of the tower.
But no one has ever seen them face-to-face.
What that truly means… remains a mystery.
Merchant
A mysterious figure quietly continues their trade inside the tower, where no one else should be.
They offer strange and unusual items to those who climb the tower, always in exchange for something.
Whether those items are actually useful… no one knows for sure.
Their appearance and behavior are undeniably strange, even eerie.
Yet, the way they watch the challengers feels oddly warm.
No one knows who they really are.
But still… if they’re offering, we might as well take it.
❚ PRODUCTS
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❚ OFFICIAL ACCOUNTS
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