App Overview

Limbus Company icon

Limbus Company

Project Moon Co., Ltd. · Games

▶ A Combination of Turn-based RPG and Realtime Brawl

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
15,472 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.

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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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Combine features and design from your favorite apps.

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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 Limbus Company: 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

Simplify upgrade paths with clearer UI and guidance.

Assumption to check: Complexity in character upgrades can confuse users.

Validate with people who use this workflow before building.

Hypothesis 2

Provide more free content to balance monetization.

Assumption to check: In-app purchases can feel aggressive.

Validate with people who use this workflow before building.

Hypothesis 3

Optimize loading processes and provide feedback during waits.

Assumption to check: Loading times can be slow during character selection.

Validate with people who use this workflow before building.

Hypothesis 4

Implement an interactive onboarding experience.

Assumption to check: Limited tutorial for new 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

▶ A Combination of Turn-based RPG and Realtime Brawl Each turn results in a display of exhilarating action. In the combat phase, units on both sides will act simultaneously. During the scramble, characters targeting each other may Clash. The outcome of a Clash depends on the strength of their opposing skills and a sprinkle of luck; the winner can shut down the loser's skill. Ensure you use the right skills to win Clashes. ▶ Single-handed Skirmishing Connect skill icons across the grid, and your units will take action according to your commands. Chaining skills of the same color allows you to deal greater damage. Using simple and practical controls, watch as the Sinners dance to your tempo. ▶ Create Diverse Strategies with Identities and E.G.O Form teams of Identities and equip them with an arsenal of E.G.O that will create powerful synergies. Your foes come armed with a variety of Affinity-based attacks and tricky effects. In particular, Abnormalities are formidable foes that may prove to be considerable challenges. Learn their behavior and weaknesses, and compose the right team to eventually conquer them. ▶ Immerse Yourself in the World of Project Moon From the creators of Lobotomy Corporation and Library of Ruina, another tale set in the same, unique world unfolds. In this massive dystopian metropolis, you will embark on a journey to find Golden Boughs with a cast of 12 Sinners. Enjoy a gripping story and the series of events that await. All dialogue in the main story comes fully voiced in Korean. Best of luck, Dear Manager. - Official Game Website: https://limbuscompany.global/ - Twitter: https://twitter.com/LimbusCompany_B/ - Studio Website: https://projectmoon.studio/ - Studio Twitter: https://twitter.com/ProjMoonStudio/ - Developer YouTube: https://www.youtube.com/@ProjectMoonOfficial/ ▶ Account Linkage & Cross-platform Integration User game profiles, including guest profiles, can be linked to an external (Apple/Google) account of choice. For Steam versions, the profile is automatically linked to the user's Steam account when launching the game. Profiles that have already been linked can integrate multiple external accounts.

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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
Redux
Axios
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.