Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Witchcraft!
Witchcraft! — The Solo Card Game of Strategy & Dark Magic
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
64 ratings · Top 5%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Witchcraft!: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Add more spell types and seasonal spells.
Assumption to check: Limited variety of spells
Validate with people who use this workflow before building.
Hypothesis 2
Introduce more engaging quests and challenges.
Assumption to check: Repetitive gameplay
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the subscription model and clarify benefits.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate social sharing and leaderboards.
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Witchcraft! — The Solo Card Game of Strategy & Dark Magic Lead your coven and protect the village in this thrilling solitaire card game where every choice could be your last. THE ULTIMATE WITCHCRAFT SOLITAIRE EXPERIENCE In Witchcraft!, darkness has fallen over Wildegrens. Monsters lurk in the shadows, harvests wither, and villagers vanish without a trace. As the leader of a witches' coven, you must wield your magic to save the village — but beware: exposing yourself could send you to the stake. This solitaire card game puts you in constant dilemmas where the balance between power and secrecy decides everything. Can you master the art of witchcraft without getting caught? KEY FEATURES - Solitaire card game — Strategic 20–40 minute sessions, perfect for playing anytime - Build your coven — Recruit witches from different families, each with unique abilities - Face epic challenges — Battle monsters, complete quests, and prove your worth - Convince the jury — Three judges will decide: hero or wicked witch? - Deep strategy — Manage your hand, plan your moves, and press your luck - Campaign mode — Immerse yourself in a dark witchcraft world where magic is real DIGITAL BOARD GAME — FULL EXPERIENCE Enjoy the complete digital adaptation of the award-winning board game by Salt and Pepper Games, now on your mobile device. A board game experience reimagined for solo play, featuring stunning illustrations by Albert Monteys that bring a magical and perilous world to life. Built on the acclaimed hidden-role mechanics of Resist!, this witchcraft board game delivers the depth and tension of tabletop gaming in the palm of your hand. PERFECT FOR - Fans of solitaire and strategic card games - Lovers of dark fantasy and witchcraft themes - Solo players seeking deep, immersive card game experiences - Board game enthusiasts looking for a premium digital adaptation - Players who love witchcraft-themed solitaire challenges AWARD-WINNING DESIGN Designed by Trevor Benjamin, Roger Tankersley, and David Thompson — the same team behind the acclaimed Resist! Developed by mantita | Published by Salt and Pepper Games Download Witchcraft! now and prove that magic isn't evil. The ultimate witchcraft solitaire card game awaits — the fate of Wildegrens is in your hands.
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
axios
react-navigation
BUILD KIT DIFFICULTY
Intermediate
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
