Hydrophobia: Prophecy
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About Hydrophobia: Prophecy
Hydrophobia: Prophecy is an action-adventure game set aboard the Queen of the World, a floating city seized by terrorists. You play as Kate, a systems engineer who must fight back using her skills and expertise while confronting haunting childhood memories and uncovering the truth behind the Malthusian prophecy.
A world shaped by water
In 2051, rising oceans and expanding deserts have consumed fertile land, bringing unprecedented famine and poverty. Water has become humanity’s most precious resource, and conflict breaks out wherever it flows.
The Queen of the World is the largest ship ever to sail the oceans, a colossal city where the wealthy elite live apart from the surrounding chaos. Its Five Founding Fathers pursue Cornucopian research there. NanoCell Corporation, one of the five, promises to purify seawater at the molecular level and make deserts bloom with food. As its research advances, fanatical Malthusians grow more bitter.
The Neo Malthusians launch an attack in the name of a prophecy, seeking global genocide: they intend to drown the planet in blood and reduce its population from 9.8 billion to half a billion “righteous souls.” They are close to being able to fulfill that prophecy.
Combat and exploration
You fight through fast-paced encounters using floating cover and “flow combat,” where the movement of the environment can make encounters play out differently. Water, floating oil fires and electricity are all weapons against your enemies. The campaign combines combat with puzzles and platforming, as Kate uses her hydro-kinetic powers to control water.
The story culminates in a standoff against Kate’s Malthusian nemesis, where you must unleash the power of the tempest. The game also includes over 200 collectables, 12 achievements and an unlockable Challenge Room.
Frequently asked questions
The best price for Hydrophobia: Prophecy is $4.99 at Steam. 8 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Hydrophobia: Prophecy stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Hydrophobia: Prophecy are: Windows XP, GeForce 8600 GT, Intel Core 2 Duo, 2 GB RAM, 8 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Hydrophobia: Prophecy is a single-player game.
No. Valve rates Hydrophobia: Prophecy as Unsupported on the Steam Deck.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











