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
Fugglers: Reckless Runner
Do not play this game
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
29 ratings · Top 15%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included16 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 Fugglers: Reckless Runner: 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 diverse levels and challenges.
Assumption to check: Repetitive gameplay can lead to boredom
Validate with people who use this workflow before building.
Hypothesis 2
Expand shop with more skins and power-ups.
Assumption to check: Limited character customization options
Validate with people who use this workflow before building.
Hypothesis 3
Implement smart ad placements or optional ad removals.
Assumption to check: Ads can interrupt the flow of gameplay
Validate with people who use this workflow before building.
Hypothesis 4
Add difficulty settings to cater to different skill levels.
Assumption to check: High difficulty spikes can frustrate players
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
Do not play this game. Actually, do. Claim your FREE time-limited Fine Fartist Fuggler now, before it goes! (21/05/26) They thought they could study them. Contain them. Understand their weirdness. Big mistake, Hoomans. And now our mutinous misfits have broken loose – fart-blasting their way out of the lab leaving a trail of mess, mischief and questionable smells behind them. Your mission, should you choose to accept it: set them loose, keep them free. Get ready… to RUUUUUUUUUNNNNNNNN! From Libertas Brands and the team at Blue Zoo Digital, comes the first-ever Fuggler mobile game. No ads, just pure chaos — run fuggtastic levels, collect Butt-ons, grab power-ups and unlock some of your favourite cuddly weirdos. - Run, waddle, and fart-blast your way through the chaotic lab, grimy sewer and sketchy alley - Collect Butt-ons and ridiculous power-up snacks (like the Magna-Chew butt-on magnet or Fuggabubba Gum shield) - Build your perfect (and possibly gross) Fuggler collection - Unlock digital-exclusive Fugglers that don’t exist in real life - Made for kids who love chaos – and adults who really should know better Privacy & Safety At Blue Zoo, your privacy and safety come first. This app is GDPR-K compliant, contains no ads and we never share personal data with third parties. Learn more: Privacy Policy | Terms of Service
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.
SUGGESTED BUILD STACK
React Native
Expo
@react-navigation/native
react-native-reanimated
Axios
Firebase
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.
