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
Challenge of Ariana
Enter a world of courage, mystery, and adventure in Challenge of Ariana, an epic action-platform game that follows a young heroine on a dangerous quest to save her kingdom from darkness.
$12.99 · In-app purchases
PRICE
$12.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
55 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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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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 included17 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 Challenge of Ariana: 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
Implement a system for user-generated levels and regular updates.
Assumption to check: Limited levels and content updates
Validate with people who use this workflow before building.
Hypothesis 2
Offer a lower-priced entry option with in-app purchases for premium content.
Assumption to check: High price point for initial purchase
Validate with people who use this workflow before building.
Hypothesis 3
Add friend invites and multiplayer challenges.
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Hypothesis 4
Introduce varying gameplay mechanics and seasonal events.
Assumption to check: Repetitive gameplay
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
Enter a world of courage, mystery, and adventure in Challenge of Ariana, an epic action-platform game that follows a young heroine on a dangerous quest to save her kingdom from darkness. When powerful enemies threaten the peace of the realm, Ariana must journey across enchanted lands, ancient ruins, forgotten temples, haunted forests, and mysterious castles. Along the way, she will face deadly traps, uncover hidden secrets, collect valuable treasures, and battle powerful bosses determined to stop her mission. Armed with her sword, shield, and unwavering determination, Ariana must overcome increasingly difficult challenges while discovering the truth behind the forces threatening her world. From fierce scorpion kings and legendary guardians to supernatural enemies and dark sorcerers, every battle will test your skill, courage, and strategy. Challenge of Ariana combines classic side-scrolling action with modern adventure gameplay, delivering an experience inspired by the golden age of platform games while introducing its own unique fantasy universe. GAME FEATURES • Explore beautifully crafted fantasy worlds • Battle massive bosses with unique attack patterns • Discover hidden areas, secrets, and treasures • Experience exciting sword combat and action gameplay • Travel through forests, castles, temples, caves, and mystical realms • Face challenging enemies and dangerous obstacles • Enjoy a captivating fantasy adventure filled with surprises • Unlock rewards and collect valuable items throughout your journey • Designed for both casual players and platforming enthusiasts • Controller-friendly gameplay experience THE JOURNEY BEGINS The kingdom's future rests in Ariana's hands. Darkness is spreading, powerful enemies are gathering, and an unforgettable adventure awaits. Will Ariana have the strength, wisdom, and courage to overcome every challenge and restore peace to the kingdom? Begin the adventure and discover the legend of Ariana.
Written user reviews are not shown here. Check current App Store reviews >
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
Firebase
Redux
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.
