Alchemist's Castle
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About Alchemist's Castle
Alchemist's Castle is a 2D side-scrolling platform game about stopping a former mentor. After discovering the philosopher's stone, the once-wise and kind alchemist becomes a power-hungry, selfish tyrant. You play as his former apprentice, explore the castle, survive its dangers and destroy the stone.
Explore the castle
The game offers non-linear exploration and an old-school Metroidvania experience.
Story
You uncover the secrets of the Alchemist's Castle as you pursue the alchemist and the philosopher's stone.
Frequently asked questions
The best price for Alchemist's Castle is $0.08 at K4G. That is 91% less than on Steam, where it costs $0.99. 6 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 Alchemist's Castle 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 Alchemist's Castle are: Windows Vista, Intel HD Graphics, Intel Atom Z8300, 256 MB RAM, 200 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Alchemist's Castle is a single-player game.
No. Valve rates Alchemist's Castle as Unsupported on the Steam Deck.
Buy Alchemist's Castle 91% cheaper than on Steam.
Alchemist's Castle is available for 91% less in shops such as K4G, Difmark, or Wyrel.
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.











