# PipeFlow - Pipe Puzzle

> 10000 procedural pipe puzzles

Canonical page: [https://chrome-stats.com/d/id6769325635](https://chrome-stats.com/d/id6769325635)

## Overview

- **ID:** `id6769325635`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 应龙 张
- **Category:** Games
- **Version:** 1.0
- **Last updated:** 2026-05-14
- **First published:** 2026-05-14
- **Size:** 799 KB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/cr/app/pipeflow-pipe-puzzle/id6769325635?l=en-GB)
- **Privacy policy:** [https://adler0518.github.io/apps\_privacys/PipeFlow-privacy.html](https://adler0518.github.io/apps_privacys/PipeFlow-privacy.html)

## Description

Deterministic seeded generator. 8 difficulty curves, 5x5 to 9x9, 10000 solvable levels. Zero ads, zero IAP, fully offline, native SwiftUI, dark mode ready.

PipeFlow is a native pipe-connection puzzle built with SwiftUI for iOS 16 and later. Lightweight, fluid, and engineered for clarity.

LEVEL ENGINE
- Deterministic xorshift64 seeded generation
- Self-avoiding random walk path builder
- Eight difficulty curves: 5x5 through 9x9
- Adaptive path length from 6 to 78 tiles
- 100% guaranteed solvable on every level
- All 10000 levels reproducible by seed

CORE ALGORITHMS
- 4-bit directional bitmask for pipe connectivity
- Depth-first connectivity check for win detection
- Real-time flow reachability for visual hinting

PERFORMANCE
- Tiny binary, zero third-party dependencies
- Millisecond cold launch via UserDefaults persistence
- Under 50 MB memory footprint
- Clean background / foreground lifecycle

COMPLIANCE AND PRIVACY
- Fully offline, no network requests, ever
- Zero system permissions requested
- No device identifiers, no user data collected
- Apple App Privacy label: Data Not Collected

LOCALIZATION
- English (US) and Simplified Chinese
- Powered by Xcode String Catalog

INTERACTION DETAILS
- Light haptics on every rotation
- Success haptics on level clear
- 0.1-second precision local timer
- Persisted best time per level

SUPPORTED DEVICES
- iPhone 6.1" and 6.7", portrait only
- Minimum OS: iOS 16.0

No sign-up, no network, no payment. Install and play.

## Rankings

- #1,505,419 — Overall

## Similar extensions and apps

- [Pipely - Flow Connect](https://chrome-stats.com/d/id6776892744)
- [Path Puzzle: Pipe Flow](https://chrome-stats.com/d/id6786042080)
- [PipeRun: Flowline Puzzles](https://chrome-stats.com/d/id6755366699) — 4.30 / 5
- [Pipe Puzzle 2: Waterworks](https://chrome-stats.com/d/id6770569203)
- [Connect Pipes - Floww](https://chrome-stats.com/d/id6782338429)
- [FlowMind: Smart Pipe Adventure](https://chrome-stats.com/d/id6763899210)
- [Pixu Pipes - Pipe Flow](https://chrome-stats.com/d/id6780208273)
- [Pipe Connect: Puzzle](https://chrome-stats.com/d/id6758129347)
- [Pipe Puzzle Connect - Pipora](https://chrome-stats.com/d/id6788203717)
- [Pipes: Connect the Flow](https://chrome-stats.com/d/id6740172032) — 5.00 / 5
- [Pipe Puzzle Waterworks](https://chrome-stats.com/d/id6762474462) — 5.00 / 5
- [FlowShift Puzzle](https://chrome-stats.com/d/id6790154236)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6769325635)