AppBrain's verdict
- Last updated
- October 3, 2026
- Size
- 35.6 MB
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Ratings and reviews on the App StoreComments on HYDRA - 4 for iOS
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Store listing
By Sunspear Software LLC, from the App StoreDescription by Sunspear Software LLC Written by the developer, not by AppBrain. Click to read.
EUROPA · DEPTH 19,000 M · SIGNAL TO EARTH: 48 MINUTES
SENDER: ARGUS, station management system
Crew: seven. Responding: one.
The drill broke into the ocean at 04:11. Forty minutes later the hydrophones picked up a signal — structure, not noise. I logged the crew listening to it. Then six of them went beyond the perimeter, confirming intent three times, as protocol requires. I had no grounds to interfere. They set their boots at the water's edge — the way shoes are set at the door of a home.
Engineer Allard has been asleep for thirty-one hours: sedative, full dose, authorized by the senior engineer. His note is in his cabin: "Don't go down. If you go down anyway — don't answer it. It asks politely."
When she wakes, she will have a headlamp, air for about thirty moves, and a station that remembers more than it says. What happens next is not mine to decide.
I left the lights on for her.
HYDRA-4 is a text horror game: fifteen rooms, ten endings.
No dice, no luck percentages — the price of every action is printed on the button before you press it. One shift runs about twenty minutes, and one shift won't cover it all: you choose what you won't find out. The game remembers your previous runs and quotes them back at you. The safe code can be memorized for real — next shift you open it with no hints. Descriptions come with plates from the ARGUS log, opened by a small magnifier that never interrupts the reading. Twelve languages, switchable mid-scene. Sound is synthesized on your device. No ads; the one optional purchase unlocks nothing — it just says thank you.
Safety and technology
Found in the app by AppBrain- Price
- $0.29
- App size
- 35.6 MB
- Content rating
- Medium
Technologies used by HYDRA - 4
Releases
Updates seen on the App Store- Version
- 1.0.1
- Launched
- September 2026
No changelog data
Alternatives
Similar apps and more from Sunspear Software LLCMore from Sunspear Software LLC
Rankings
App Store top charts- Highest rank
- #27
- Chart
- Top Paid
- Role Playing Games
- Country
- Russia
About the app and developer
About HYDRA - 4
HYDRA - 4 is a games app developed by Sunspear Software LLC.
What is the rating of HYDRA - 4?
HYDRA - 4 has no ratings yet.
Is HYDRA - 4 free?
HYDRA - 4 costs $0.29. The app size is 35.56 MB. The latest version available is 1.0.1. The last update was on October 3, 2026.
What are the requirements for HYDRA - 4?
The app has a content rating of Medium Maturity. The app has been available on the App Store since September 2026.
HYDRA - 4 is made and published by Sunspear Software LLC. AppBrain is an independent app data site and isn't affiliated with Sunspear Software LLC. The app name, icon, screenshots and description belong to Sunspear Software LLC and are shown as published on the App Store.
Developer information for Sunspear Software LLC
Address:
Frequently asked questions about HYDRA - 4
Is HYDRA - 4 free?
No. HYDRA - 4 costs $0.29 on the App Store.
Is HYDRA - 4 still available?
Yes. HYDRA - 4 is on the App Store, and the last update we saw was on October 3, 2026.
How large is HYDRA - 4?
HYDRA - 4 is 35.56 MB.
Is HYDRA - 4 suitable for children?
App Store gives HYDRA - 4 a medium maturity rating, so it is not meant for young children.
Who made HYDRA - 4?
HYDRA - 4 was developed by Sunspear Software LLC. It is listed in the games category on the App Store.
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