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About Spire, Surge, and Sea
Spire, Surge, and Sea is a 380,000-word, entirely text-based interactive post-apocalyptic science fantasy novel. Your choices shape the story; there are no graphics or sound effects. In humanity’s last city, Gigantea, you are on the brink of adulthood and training for a career that will shape the rest of your life. You must decide what to believe about the king, the gods and the world beyond the city.
Gigantea and the Worldsea
Gigantea is a walled island city in the turbulent Worldsea, presented as humanity’s last haven and the final remnant of the world before the gods grew jealous of humanity’s ambition. The king’s magic is said to sustain the fortifications that hold back the Rot, a curse that corrupted and destroyed the rest of civilization. But the king can erase memories with his voice, and he imprisons spirits and drains their magic to fuel his ambitions.
The city’s lofty Spires contain alchemy labs and high-tech manufactories that can instantly produce food, tools and clothing. Below them, the Shallows have long been abandoned, and ambient magic has transformed their sea creatures into vicious beasts. You can explore the Shallows, search archives for documents about ancient injustices, or venture into the Worldsea to find out whether the stories that have sustained generations are true.
Choose your path
The Surge’s rebels challenge Gigantea’s rigid hierarchy in a struggle for equality, putting the city’s established order at risk. You can side with the Spireguard to defend the monarchy, join the anarchist rebels and seek radical change, speak for the spirits and taste their magic, or try to rise to power and rule the city yourself. You can also choose to master spirit magic, practice the high-tech craft of masonry, or combine science and the supernatural through alchemical potions.
Your character can be male, female or nonbinary; cisgender or transgender; gay, straight, bisexual or asexual; and monogamous or polyamorous. Characters communicate through speech or signing, and the society treats body shapes, sizes, disabilities, skin tones and identities equally.
Life in the city
You can take part in a jubilant night-market festival, sample its food and play mini-games. In the Shallows, you can fight the magically transformed beasts or try to heal them from the Rot’s corruption and find refuge for yourself. Beyond Gigantea, you can explore the rot-cursed Worldsea and discover whether anything of the wider world remains.
Frequently asked questions
The best price for Spire, Surge, and Sea is $6.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Spire, Surge, and Sea are: Windows 10. It also runs on macOS. The recommended specs are in the System requirements section.
No. Spire, Surge, and Sea is a single-player game.
Yes. Spire, Surge, and Sea is the full base game. You need nothing else to play it.
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.











