This product is a brand new and unused A Sky Full of Stars 仰望夜空的星辰 CD Key for Steam.

Immediately after payment, you will be sent a unique and unused CD Key which can be activated on Steam. You can collect this activation code from our Autokey page.  Simply enter your code into the Steam client (available free from steampowered.com). This will then grant you to a full digital download of the game.

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CJS CD Keys sell brand new CD Keys either taken directly from brand new sealed copies of the game, or sourced directly from world-leading game publishers. We source our keys in bulk directly from leading distributors and publishers, which reduces shipping costs.  This enables us to offer instant online delivery, at extremely competitive pricing.

After you receive your key, you can activate the game on the Steam client (available free from steampowered.com). After you activate the game with the Steam software, you can download the game immediately and instantly.

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Regional Availability

This product key we are selling is sourced directly from the publisher, or an official distributor of the game publisher. The key is completely region free and includes all languages. Region free means that you can activate the product code from anywhere in the world.

About A Sky Full of Stars 仰望夜空的星辰:

The starry sky spreads far and wide overhead...
This story full of love, comedy, and excitement follows our protagonist and his stargazing friends as they grow together.
"A Sky Full of Stars" is a coming-of-age astronomy tale by the same team who brought you "If My Heart Had Wings".


Childhood friendships, passed-down traditions, deep bonds forged over time, and even deeper feelings all intersect.
Old relationships and moments left in the past are all drawn clearly in "A Sky Full of Stars".


It didn't matter if we were near, far, or anywhere...we always looked to the same sky.
"A Sky Full of Stars" is a tale of young people from different schools' astronomy clubs coming together and gazing at the stars.


Innumerable stars twinkling in the night sky...
To replicate the night sky as accurately as possible in "A Sky Full of Stars", images were created using data from the Hipparcos Catalogue (found at: hipparcos/tycho2catalog) and the "Starry Winds MMD" planetarium engine software.

Voices that sound like they're right there next to you...
Certain scenes in "A Sky Full of Stars" have been recorded using the binaural recording method.
Using both a normal mic and a binaural mic to get in as close as possible, we've been able to come up with an audio experience that offers a natural-feeling closeness with the characters.

A breathtakingly wide-open winter view...
"A Sky Full of Stars" uses the newest methods of visual processing technology.
The images are displayed at 1.5x the size of all previous PULLTOP titles.
The images provide a highly-detailed look into the setting of the story, with even more to draw your eye.
This gives you an even greater immersion in the story.