交界线 Red Line
Moving into a shabby apartment, a saturnine girl with hidden secrets finds a notebook that allows her to communicate with another world. A thrilling adventure taking place across multiple timelines ensues.
Offers
What are keyshops?Official stores
Official stores with direct support.
Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Demo (1)
Try this game before buying.
About 交界线 Red Line
Moving into a shabby apartment, a saturnine girl with hidden secrets finds a notebook that allows her to communicate with another world. A thrilling adventure taking place across multiple timelines ensues. Two protagonists who trapped in their own dilemmas decide to collaborate, collect and analyze clues, reveal the hidden truth that history has neglected and help each other find the path to redemption.
Red Line is a story-driven horror game with moderate puzzles. Player can control two protagonists in two worlds to interact with different residents, investigate items, solve puzzles to unlock memories, and put clues together to reveal the truth of the past. By recreating certain moments spent in the apartment, resolve the regrets and obsessions of the characters, and help them embark on the next journey.
- Story revolving around dual protagonists in different worlds is told from multiple views
- Episodic narrative, with unique tragedies befalling the families behind each and every door
- Seamless switching between investigation, chatting, and puzzle solving provides an utterly immersive detective experience
- Stunning and picturesque in-game graphics imbue this pixel game with a dynamic visual style
- Well-designed sound effects and BGM selections are the icing on the cake that give players a more terrifying atmosphere.
Discord：
Twitter: @indienova
Game details
Game details
Age ratings
Game modes
Languages
Features
交界线 Red Line price history
Lowest tracked price: €3.32 (Jul 10, 2026) · current best: €3.37 across 3 stores.
交界线 Red Line player count & reviews
97% positive reviews all-time · 1 peak players in the last 30 days.
交界线 Red Line — frequently asked questions
Where can I buy 交界线 Red Line at the cheapest price?
Right now the cheapest offer for 交界线 Red Line is €3.37 at Eneba. KingsPrice compares 3 offers from 3 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price 交界线 Red Line has ever been?
The lowest price KingsPrice has tracked for 交界线 Red Line is €3.32 (recorded on Jul 10, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How many people play 交界线 Red Line?
交界线 Red Line peaked at 1 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.
Is it safe to buy a 交界线 Red Line Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get 交界线 Red Line at a discount?
Create a free price alert on this page and KingsPrice will email you when 交界线 Red Line drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- OS *: Windows 7, 8, 10, 32/64-bit
- Processor: 1.6GHz or above
- Memory: 1024 MB RAM
- Graphics: AMD Radeon HD 6670, GeForce GTX 200 series with at least 1GB
- Storage: 2 GB available space
- Sound Card: Direct X 9.0c sound device
Recommended
- OS: Windows 10 64 bit
- Processor: 2.4 GHz
- Memory: 1024 MB RAM
- Graphics: AMD R7 200 series, GeForce GTX 500 series
- Storage: 2 GB available space
- Sound Card: Direct X 9.0c sound device
