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.
Halls of Torment is a horde survival game with a pre-rendered retro look reminiscent of RPGs from the late 90s
$2.99
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.
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.
Your first Build Kit is free with a verified email.
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.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Halls of Torment is a horde survival game with a pre-rendered retro look reminiscent of RPGs from the late 90s. Choose one of many hero characters and descend into the deadly Halls of Torment. Fight unholy horrors from beyond and survive wave after wave of enemies until you face one of the tormented Lords. Strengthen your hero with character traits, abilities, and items. Create a new powerful build during each run. Explore various underground expanses and find new powerful items that enable you to venture even deeper into the abyss. First available on Steam, the 90's-style RPG survival roguelike, Halls of Torment, is now making its debut on mobile! 【Features】 ◆ Quick and casual 30 minute runs ◆ Old school pre-rendered art style ◆ Quest-based meta progression ◆ Large selection of diverse abilities, traits, and items, all enabling you to create interesting synergies ◆ Diverse bosses featuring unique mechanics and attack patterns ◆ Several distinct characters allowing for many different play styles ◆ Unlock and explore multiple interesting and challenging underground worlds ◆ Unique items can be sent up to the overworld and used to customize future runs ◆ Craft magical tinctures to direct fate in your favor ◆ Unlock the power of each class and combine them with your chosen character ◆ Find rare item variants to further improve your builds 【Full Content List】 ◆6 stages with unique environments ◆13 playable characters & character marks ◆20+ blessings that make you stronger for each run ◆80+ unique items to retrieve and unlock ◆240 higher rarity item variants ◆80+ abilities and ability upgrades ◆40+ artifacts to customize your game experience ◆35+ unique bosses ◆70+ unique monsters ◆500 quests to complete ◆1000+ traits that upgrade characters and abilities Our content list is still growing, expect more in the future! 【Contact Us】 Discord: @Erabit or join via https://discord.gg/Gkje2gzCqB Email: [email protected]
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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.
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.
Not assessed in a Build Kit yet.
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.