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Heartlines
Heartlinesis a choice-driven narrative FPS game where your decisions determine who lives, who dies. You and the all people inside of street can't leave you see an Angel in your dream and he says you need to kill the one who possessed by Satan. You have 10 day, before time runs out make your choices.

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Features
Single-player
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔ ✔
Turkish ✔ ✔

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are 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?

“I decided to release it as Early Access because I plan to go beyond the main progression and include more content than originally intended, such as improved character models and environments. Furthermore, I aim to expand the concept of player choice mattering as much as possible during this development phase, incorporating your valuable feedback.”

Approximately how long will this game be in Early Access?

“I'm planning to complete this game within 1 year.”

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

“I'm planning to finish the core storyline and implement multiple endings that are directly affected by the choices you make throughout the game. And also I'm planning to do better performance improvements. I intend for the final version to feature the concept of 'choice matters' expanded to its fullest potential.”

What is the current state of the Early Access version?

“At this version, Day 1 and Day 2 is playable, it's about 25-30 minutes of gameplay, on Day 1 you will get to know about characters and in Day 2 story will be progress normally. ”

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

“I'm planning to gradually raise the price as I ship new content and features.”

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

“Everyone is welcome to join my Discord server where you'll be able to communicate directly with me. I will listen to your opinions and use them to shape the game, reducing flaws and striving to make it as close to flawless as possible.”
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This game is not yet available on Steam

Planned Release Date: May 8, 2026

This game plans to unlock in approximately 3 months

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About This Game

Heartlines is an FPS game where you control a character, and it heavily focuses on choices within dialogues. The main point of the game is to approach characters and talk to them. Your dialogue choices will influence future conversations and the overall direction of the game.

Main Story:

It all started with the dream. A celestial being delivered a harrowing message to you: One of your companions is no longer who they seem. One of them has been possessed by the Devil.

The terms are absolute: Identify the possessed within 10 days. Failure means not just death, but eternal damnation for everyone involved.
Make your choices and reach the true ending.

Mature Content Description

The developers describe the content like this:

This game contains depictions of characters in revealing clothing (such as short outfits) and scenes where characters are seen in their underwear while resting or sleeping. While the game does not feature explicit sexual acts or graphic nudity, players will encounter suggestive themes and mild fanservice.

System Requirements

    Minimum:
    • OS: Windows 10/11
    • Processor: Intel i3-9100
    • Graphics: NVIDIA GTX 1660 Super
    • DirectX: Version 11
    • Storage: 10 GB available space
    Recommended:
    • OS: Windows 10/11
    • Processor: Intel i5-9400
    • Graphics: NVIDIA RTX 2060 Super
    • DirectX: Version 12
    • Storage: 15 GB available space
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