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
Candy Crush Saga
Explore a world full of delicious match-3 puzzles and endless fun! Blast through thousands of challenging levels in this timeless puzzle game from King
Free · In-app purchases
OVERALL US RANK
#12
Grossing · all categories
REVENUE (Est)
$2.7M/mo
$1.6M - $3.8M
RATING
★ 4.7
4,007,107 ratings · Top 15%
Evidence scope: #12 is the current overall US Grossing chart position. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Candy Crush Saga: 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
Introduce new game modes or challenges to keep players engaged.
Assumption to check: Repetitive gameplay can become boring over time.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a daily login reward system to earn extra lives.
Assumption to check: Limited free lives can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Offer an ad-free subscription option that enhances user experience.
Assumption to check: Frequent ads can disrupt the gaming experience.
Validate with people who use this workflow before building.
Hypothesis 4
Balance gameplay and in-game rewards to minimize reliance on purchases.
Assumption to check: In-app purchases can feel necessary to progress quickly.
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
Explore a world full of delicious match-3 puzzles and endless fun! Blast through thousands of challenging levels in this timeless puzzle game from King. Match candies, conquer jelly, toffees, and jam, and uncover sweet surprises in every puzzle. Classic Match-3 Gameplay with Fresh Twists - Discover unique game modes like Gummy Dragons and Bubblegum Pop. - Match and blast your way through matching levels full of sugar-coated fun. - Master tricky puzzles and create explosive combos to clear the board! Brain-Boosting Challenges & Special Events - Daily Rewards: Log in every day to claim free boosters and extra lives. - Time-Limited Events: Compete in themed challenges and win exclusive prizes. - Tournaments & Leaderboards: Crush more candies than your friends and rise to the top to become the ultimate match-3 master! Bonbon Blitz Your Way Through Extra Sticky Levels - Use powerful boosters like Bonbon Blitz, Lollipop Hammer, and Jelly Fish to solve puzzles and boost your score. - Stuck on a level? Boosters and extra moves will help you blast through any obstacle. Play Offline or Online, Anytime and Anywhere - No internet, no problem: Enjoy offline gameplay and keep the fun going wherever you are. - Ad-free fun means uninterrupted candy-matching bliss! Connect with Friends & Join the Candy Kingdom - Share lives, compare scores, and see who’s the match-3 master in your friends circle. - Connect your game to Facebook to sync progress, compete with friends, and unlock exclusive rewards! Discover more from King Looking for more brain-teasing fun? Try Candy Crush Soda Saga or Farm Heroes Saga for fresh twists on classic match-3 puzzles. Or dive into sweet solitaire action with the new Candy Crush Solitaire! Candy Crush Saga is free to play, but optional in-game items require payment. You can turn off the payment feature in your device’s settings. All Stars 2026 Selected level 5+. 18+. In-game event from 09:00 EST 5 March to 09:00 EDT 8 April, 2026. Participating countries only. Void where prohibited. Win the in-game event and receive an invite to the live contest 3-6 June in London for a chance to win a share of $1,000,000 USD. Requires travel to London. T&Cs: to.king.com/terms. Candy Crush Saga contains optional in-game purchases. © /TM / ® 2026 King.com Ltd. “King”, “Candy Crush All Stars" and associated marks and logos are trademarks of King.com Ltd or related entities.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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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.
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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.
