App Overview

Legend of Keepers icon

Legend of Keepers

Playdigious · Games

Have you ever wanted to become the villain of a story?

$0.99 · In-app purchases

OVERALL US RANK
#82
Paid · all categories
REVENUE (Est)
$133K/mo
$73K - $193K
RATING
4.8
452 ratings · Top 5%

Evidence scope: #82 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.

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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.

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.

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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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Legend of Keepers: 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 clear descriptions and previews for items.

Assumption to check: In-app purchases can be confusing for users.

Validate with people who use this workflow before building.

Hypothesis 2

Include an onboarding process or tutorial feature.

Assumption to check: Limited tutorials for new players.

Validate with people who use this workflow before building.

Hypothesis 3

Offer deeper customization options for characters and dungeons.

Assumption to check: Difficulty balancing between gameplay and monetization.

Validate with people who use this workflow before building.

Hypothesis 4

Conduct thorough testing and bug fixes before updates.

Assumption to check: Occasional bugs during battles.

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

Have you ever wanted to become the villain of a story? Legend of Keepers is a mix between rogue-lite and dungeon management, where you play as a dungeon manager hiring monsters and building traps to defeat the heroes coming for your gold. Well, the Dungeons Company is looking for its new Boss and needs you to protect their treasures! You have to experience every company’s struggles in this fantasy workspace simulation, from sick leaves to strikes, and manage your team to run the most impenetrable dungeon! In this "reverse-Darkest Dungeon", climb the corporate ladder and optimize your strategy to become the most fearsome (and, perhaps, respected) boss in dungeon history! Main Features - Deal with the trials of corporate life: mix and match your roster of bloodthirsty employees to stay on top of the dungeon business - Don’t play nice for once: be the bad guy and make those smug heroes pay with your mischievous strategies - Manage your resource budget: On top of morale, gold, blood, and tears must be spent wisely in this economy. - Being bad never looked this good: see your enemies perish in drop-dead gorgeous animations. Watch out for stains! - Diversify your management styles: Play as 3 dungeon masters - each with their own abilities and recruits - through various campaigns *NEW MASTERS, NEW ENVIRONMENTS, NEW MONSTERS!* Unlock the three DLCS : Return Of The Goddess, Feed The Troll and Soul Smugglers. Buy them separately, or together with the DLC Bundle. CAREFULLY REDESIGNED FOR MOBILE - Revamped interface - Game Center achievements - iCloud - Share your progress between iOS devices - Compatible with MFicontrollers - No microtransactions!

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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
Supabase
React Navigation
Zustand
React Native Reanimated
BUILD KIT DIFFICULTY
Advanced

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.