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.
RollerCoaster Tycoon® Classic is a new RCT experience, combining the best features from two of the most successful and beloved RCT games in the series’ history – RollerCoaster Tycoon® and RollerCoaster Tycoon® 2
$5.99 · In-app purchases
Evidence scope: #68 is the current overall US Paid chart position. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for RollerCoaster Tycoon® Classic: 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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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
Assumption to check: Limited customization options for rides and attractions
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can lead to frustration if players feel pressured
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Performance issues on older devices
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Repetitive gameplay after a while
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
RollerCoaster Tycoon® Classic is a new RCT experience, combining the best features from two of the most successful and beloved RCT games in the series’ history – RollerCoaster Tycoon® and RollerCoaster Tycoon® 2. Create and run amazing parks complete with the most outrageous rides imaginable. RCT Classic includes a mixture of authentic playability, depth of gameplay and unique graphical style of Chris Sawyer’s original best-selling RollerCoaster Tycoon® PC Games, now enhanced for handheld devices. Packed with content, players can enjoy designing and building roller coasters and rides, landscaping parks and managing the staff and finances to keep their guests happy and the money flowing in. Can you become the next RollerCoaster Tycoon? PLEASE NOTE: Additional content for RollerCoaster Tycoon® Classic is available via In-App Purchase, specifically the three expansion packs: Wacky Worlds, Time Twister and Toolkit. The expansion packs are the ONLY content that require an In-App Purchase and In-App Purchases are not used anywhere else in the game. Key Features: •The Original RollerCoaster Sim: Experience all the fun from the original RollerCoaster Tycoon® and RollerCoaster Tycoon® 2 games, with a new app that combines the best elements of both classic titles. •Coaster Construction: Create incredible roller coasters – Quickly build a pre-made design or use the intuitive piece-by-piece building tools to design and theme your own unique rides. •Park Designer: Keep your guests happy by building gentle or wild rides, food and drink stalls, water rides, and even transport rides to take them around the park; Customize your park by building scenery, fine-tuning the landscape, and routing the footpaths. •Park Management: Run your park’s marketing and finances to make a profit while attracting more guests; Organize your staff to keep the park running well and looking its best. •Exciting Environments: Build the ultimate theme park in a variety of challenging environments, from the tranquility of Forest Frontiers to the bustling commerce of Megaworld Park. •Park Scenarios: Progress through 95 classic park scenarios from RollerCoaster Tycoon® and RollerCoaster Tycoon® 2. • Authentic Gameplay: Classic-style characterful isometric graphics and original amusement park music and sound effects. • Packed with Content: Includes hundreds of types of roller coasters and rides, and dozens of different shops, stalls, and facilities. Additional Content Available with In-App Purchases: 1)Wacky Worlds Expansion Pack: Find your passport and pack your bags! Wacky Worlds takes players on the ultimate trip around the globe in 17 new park scenarios! Includes exotic rides, profitable concessions and the most famous landmarks known to man including the Eiffel Tower, Big Ben, Statue of Liberty, Great Wall of China and more! Each location is packed with opportunities for success, fun and unique challenges. 2)Time Twister Expansion Pack: Travel through time with 14 new park scenarios based on historical and fantasy time-themes and build a park that is truly a blast from the past (or future if you like). Play in a Prehistoric amusement park decorated with huge animated T-Rex’s and coasters such as the Raptor Ride, or choose from Mythological times, the Dark Ages, the Rock & Roll crazed ‘50s, the Future or the Roaring Twenties. 3)Toolkit: Park Scenario Editor: Design and build your own amazing parks – Make them as easy or as challenging as you want, using your choice of scenery and rides! Includes a number of Six Flags parks to get you started. Ride Designer: Build, test, fine-tune and theme your own awesome roller coaster designs in the Ride Designer before saving them for use while playing! Import and Export: Share your saved parks, park scenarios and ride designs with friends, and try out their creations too! (Includes the ability to import most saved parks and scenarios created with the original RollerCoaster Tycoon 2 PC game).
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.