# Trace Out: One Line Game — One Path. No Retracing. > One Path. No Retracing. (iPhone/iPad app by One Date Private Limited.) - Source: https://appshunter.io/ios/app/trace-out-one-line-game/id6757095300 (this page in markdown: same URL + `.md`) - Developer: [One Date Private Limited](https://appshunter.io/developer/1748932949) - Category: Games, Board, Puzzle - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.0 · 41 MB - Languages: American English - Released: 2026-01-06 - Data updated: 2026-09-06 - User reviews in markdown: https://appshunter.io/ios/app/trace-out-one-line-game/id6757095300/reviews.md ## What is Trace Out? Welcome to Trace Out: One Line Game – The Ultimate Minimalist Geometry Challenge. Forget simple mazes. Trace Out introduces a refined logic experience based on the classic Eulerian Path problem: connecting every edge in a complex graph without ever retracing your steps. It’s a game of flow, precision, and spatial foresight that turns a clean white canvas into a playground for your mind. Your mission: Trace the entire shape in one continuous motion. Every node is a junction; every edge is a choice. But once a path is walked, it is locked. Can you find the single valid route through a web of over 9 quintillion possibilities? Key Features The Power of the Single Line Experience the "Zen" of the continuous trace. In a world of complex geometry, your task is simple but profound: find the one path that visits every line exactly once. Mastering the flow of the graph is the mark of a true Graph Architect. Infinite Geometric Puzzles The challenge literally never ends. From simple triangles to massive, multi-layered geometric webs, our engine generates unique, solvable puzzles that scale with your skill. With billions of configurations, you will never see the same board twice. Pristine High-Contrast Design Immerse yourself in a distraction-free environment. Featuring a crisp white background, sharp black edges, and vibrant blue nodes marking your progress, our "Ink-on-Paper" aesthetic provides a sophisticated atmosphere designed for deep focus and mental clarity. Precise Visual Feedback Every snap to a node feels deliberate and satisfying. A signature Red Ring highlights your current position and the Red Start Dot anchors the origin of your journey, providing a clear visual guide as you navigate the complexity. Intelligent Flow Hints Caught in a dead end? Our smart hint system doesn't just show a move; it analyzes the remaining topology to reveal a safe next step, ensuring you maintain your "Flow State" without ever hitting a wall. Quintillions of Levels How far can your logic take you? Trace your progress across a staggering number of levels. From the simplicity of Level 1 to the complexity of the 64-bit integer limit, your journey is truly infinite. Global Leaderboards Climb the ranks and earn the prestigious title of "Graph Architect." Compare your level progress with players worldwide and prove you have the most advanced spatial reasoning on the planet. Gameplay Highlights: • Eulerian Logic: Based on centuries-old mathematical principles made fun. • Zero Pressure: No timers, no penalties—just you and the geometry. • Mental Sharpness: Enhances planning, topological reasoning, and pattern recognition. • Minimalist Perfection: A beautiful, quiet game that fits perfectly in your pocket. The shape is waiting. The path is hidden. The solution is a single line away. Download Trace Out: One Line Game today and find your flow! ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Full Access Pass | $7.99 | one-time | ## Version history (last 5 releases) ### 1.0.15 — 2026-08-24 Welcome to Trace Out. Launching our initial version with: • Infinite Geometry: A powerful engine generating billions of unique Eulerian path puzzles. • Pristine Design: High-contrast "Ink-on-Paper" aesthetic for deep focus. • Intuitive Logic: Connect every edge exactly once. One path, no retracing. • Global Leaderboards: Become a Graph Architect and compete with the world. • Intelligent Hints: Smart path analysis to help you find the flow. Start your journey from Level 1 to the infinite. ### 1.0.14 — 2026-07-13 Welcome to Trace Out. Launching our initial version with: • Infinite Geometry: A powerful engine generating billions of unique Eulerian path puzzles. • Pristine Design: High-contrast "Ink-on-Paper" aesthetic for deep focus. • Intuitive Logic: Connect every edge exactly once. One path, no retracing. • Global Leaderboards: Become a Graph Architect and compete with the world. • Intelligent Hints: Smart path analysis to help you find the flow. Start your journey from Level 1 to the infinite. ### 1.0.13 — 2026-06-04 Welcome to Trace Out. Launching our initial version with: • Infinite Geometry: A powerful engine generating billions of unique Eulerian path puzzles. • Pristine Design: High-contrast "Ink-on-Paper" aesthetic for deep focus. • Intuitive Logic: Connect every edge exactly once. One path, no retracing. • Global Leaderboards: Become a Graph Architect and compete with the world. • Intelligent Hints: Smart path analysis to help you find the flow. Start your journey from Level 1 to the infinite. ### 1.0.12 — 2026-05-21 Welcome to Trace Out. Launching our initial version with: • Infinite Geometry: A powerful engine generating billions of unique Eulerian path puzzles. • Pristine Design: High-contrast "Ink-on-Paper" aesthetic for deep focus. • Intuitive Logic: Connect every edge exactly once. One path, no retracing. • Global Leaderboards: Become a Graph Architect and compete with the world. • Intelligent Hints: Smart path analysis to help you find the flow. Start your journey from Level 1 to the infinite. ### 1.0.11 — 2026-05-19 Welcome to Trace Out. Launching our initial version with: • Infinite Geometry: A powerful engine generating billions of unique Eulerian path puzzles. • Pristine Design: High-contrast "Ink-on-Paper" aesthetic for deep focus. • Intuitive Logic: Connect every edge exactly once. One path, no retracing. • Global Leaderboards: Become a Graph Architect and compete with the world. • Intelligent Hints: Smart path analysis to help you find the flow. Start your journey from Level 1 to the infinite. ## Apps similar to Trace Out | App | Rating | Price | Category | | --- | --- | --- | --- | | [Train Pickup!](https://appshunter.io/ios/app/train-pickup/id6757913212) | — | Free | Games | | [Supermarket Rush 3D](https://appshunter.io/ios/app/supermarket-rush-3d/id6758228451) | — | Free | Games | | [BALL Bounce Hop](https://appshunter.io/ios/app/ball-bounce-hop/id6755399414) | — | Free | Games | | [Flower Sort: Bloom & Chill](https://appshunter.io/ios/app/flower-sort-bloom-and-chill/id6756834499) | — | Free | Games | | [Color Dish Match](https://appshunter.io/ios/app/color-dish-match/id6751239078) | — | Free | Games | | [One Line Drawing: Brain Games](https://appshunter.io/ios/app/one-line-drawing-brain-games/id6781272283) | 5.0 (1) | Free | Games | ## More apps by One Date Private Limited - [One Date: Your Last Dating App](https://appshunter.io/ios/app/one-date-your-last-dating-app/id6503325960) - [One Sticker: AI Sticker Studio](https://appshunter.io/ios/app/one-sticker-ai-sticker-studio/id6748813619) - [Shut The Box: Cheaters Edition](https://appshunter.io/ios/app/shut-the-box-cheaters-edition/id6751623684) - [One Tribe: Offline Location](https://appshunter.io/ios/app/one-tribe-offline-location/id6752576785) - [Match Box: Viral Game](https://appshunter.io/ios/app/match-box-viral-game/id6752990415) - [Glass Bridge: Survival Game](https://appshunter.io/ios/app/glass-bridge-survival-game/id6753303653) All apps by One Date Private Limited: https://appshunter.io/developer/1748932949 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*