Cauldron

Turn a messy board
into brews.

Drop three ingredients into the cauldron, draft a recipe book that makes them worth something, and out-brew a twenty-floor witch trial. Then do it again with a wider pantry.

iPhone Plays offline No ads No in-app purchases One-time purchase

Coming to the App Store. In the meantime: the privacy policy and support.

Cauldron's run screen: three ingredient columns settled after a stir, with the score breakdown below and the floor's potion order filling above. — Stir, match, brew — and read the maths

The draft sheet offering three recipe cards, each with a concrete effect such as Every Quartz +7. — Draft one of three after every floor

Cauldron's title screen: the game's name in gold over a steaming cauldron. — Twenty floors of examiners

What it actually is

A single-player roguelite about compounding. Each floor sets a potion order and gives you a handful of stirs to fill it. Three ingredient columns settle from a shared board; matches and synergies score toward the order. Clear the floor and you draft one card of three — a recipe page that pays out forever, or a cauldron mod that changes how the tumbler behaves.

The interesting decision is never which card is strongest. It is which card the board you already have can pay off, and how much of the run you are willing to stake on a line that has not come together yet.

Compounding, not chance

The draw is a plain, honest one. What changes across a run is your recipe book — the multipliers you built, deliberately, out of what the trial handed you.

A wider pantry each run

Runs are finite, so losing one costs an evening, not a save file. What carries over is ingredients and starting kits you have earned, widening what a future run can even attempt.

Built to be felt

Every column has its own settle, tuned as a haptic curve rather than a buzz. It is the reason the game is worth playing with the sound off, which is how phones are actually held.

Yours, offline, once

No account, no server, no network code at all. One purchase, no ads, no currency, nothing randomized for sale. It works the same on a plane as at your desk.

Made by one person

Cauldron is built by Giang Dinh — design, code, art and the balance passes that took the longest. Questions, bugs and feature wishes all go to the same inbox: app.contact.support@gmail.com.