No revenue estimate for the App Store: Apple publishes no install counts, and its star-rating counts don't calibrate to sales the way Steam's written reviews do. Reviews and prices only.
Step into a dimly lit medieval laboratory and uncover hidden pairs of mystical alchemical elements scattered across an ancient stone table. Flip cards to reveal symbols of mercury, sulfur, gold, and other arcane substances, matching them before time runs out. Each successful run unlocks entries in your Alchemist's Grimoire, revealing the real history behind the elements that shaped early science. Progress through increasingly challenging grids, collect Philosopher's Coins, and customize your laboratory with unique visual themes.
Trends
Price over time on the United States storefront, quoted in USD — from our own daily price tracking. Other markets are listed under "Price by market" in the Prices tab; they are not on this axis, because one line cannot be two currencies.
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
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