The battle of the clone girls unfolds on a post-apocalyptic Earth, devastated by the alien life form known as "Bleed." Pilot the manned weapon "Father" to eliminate enemies. Upgrade weapons, create powerful builds, and strategize to successfully clear stages.
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Early Access Game

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Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“9th Sentinel Sisters' gameplay features light rogue elements, and we believe it's best to constantly receive feedback from players to ensure a fun and balanced game that can be played repeatedly.”

Approximately how long will this game be in Early Access?

“Expected to last from six months to a year”

How is the full version planned to differ from the Early Access version?

“The official version will add even more characters, weapons, parts, stages, and enemies, enriching the entire game.”

What is the current state of the Early Access version?

“You can enjoy 16 types of weapons, 37 types of reinforcement parts, 3 heroes, and 1 strategy route.”

Will the game be priced differently during and after Early Access?

“The price may increase moderately when it is officially released.”

How are you planning on involving the Community in your development process?

“We will disseminate information on Live Wire official Twitter, Youtube, etc. We also plan to check the Steam bulletin board for feedback.”
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About This Game


In the distant past, an unknown meteorite crashed onto Earth. The meteorite lay dormant deep within the Earth's layers, awaiting its awakening in silence.

After ten thousand years, as humanity had built a civilization, changes began to occur within the meteorite. Countless alien creatures known as "Bleed" emerged from the meteorite, swiftly devouring stars and engulfing them. It was revealed that the meteorite was, in fact, the eggs of extraterrestrial life forms.

The surface of the Earth was ravaged, leading to the collapse of nations and the defeat of humanity. The remaining survivors were forced to seek refuge in resilient underground shelters. These shelters, named Arks, became the last bastions of humanity.

To reclaim the Earth, humanity pooled their knowledge and resources, developing two combat weapons specifically designed to combat the Bleed threat. One was the manned weapon called "Father." The other was a combat clone soldier, taking the form of a young girl who piloted the "Father."

The protagonist of this game is the group of clone girls. They live in desolate frontline bases, enduring their lives and venturing out into battles.


9th Sentinel Sisters is a sci-fi horror casual game with roguelike elements.

Customize your own build with 16 different weapons and 34 enhancement parts! Experience the satisfaction of using various weapons to obliterate hordes of aliens.

Decide your own strategic path. Will you challenge formidable enemies or take a moment to strengthen your armament? Assess the situation and strive for victory!

Each stage offers simple missions that can be enjoyed in short bursts of focused gameplay.

Choose your hero and enjoy various strategies.

<Game Features>

Roguelike casual action
Side-scrolling twin-stick shooting
Battle girls in a post-apocalyptic world overrun by aliens
16 types of weapons
34 enhancement parts
3 heroes
Full controller support

System Requirements

    • Requires a 64-bit processor and operating system
    • OS: Windows® 10 / Windows® 11 64-bit
    • Processor: AMD A8-7600 / Intel® Core™ i3-3210
    • Memory: 4 GB RAM
    • Graphics: AMD Radeon™ R7 260X / NVIDIA® GeForce® GTX 760 / Intel® Iris® Xe Graphics G7
    • DirectX: Version 12
    • Storage: 1 GB available space
    • Requires a 64-bit processor and operating system
    • OS: Windows® 10 / Windows® 11 64-bit
    • Processor: AMD Ryzen™ 3 1200 / Intel® Core™ i5-3330
    • Memory: 4 GB RAM
    • Graphics: AMD Radeon™ RX 470 / NVIDIA® GeForce® GTX 1060 (3GB)
    • DirectX: Version 12
    • Storage: 1 GB available space
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