Trace Out: One Line Game
One Date Private Limited Games iPhoneiPadiPod touch
Trace Out: One Line Game is a free Games app for iPhone and iPad by One Date Private Limited. Requires iOS 15.0. Updated August 24, 2026.
- Price
- Free
- on the App Store
- Size
- 41 MB
- Age 4+
- Updated
- Aug 24
- 2026 · v1.0.15
Screenshots
About Trace Out: One Line Game
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!
What’s new
Version 1.0.15 · Updated August 24, 2026
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.
Play today's Threadline puzzle
Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
Alternatives to Trace Out: One Line Game
Looking for apps like Trace Out: One Line Game? Here are 6 similar apps on the App Store. The highest rated is Shape Craft: Mindful Forms (5.0/5), and all 6 are free to download.
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Shape Craft: Mindful Forms
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Gravity Smash
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Trace The Line
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HueFuse
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One Line Drawing: Brain Games
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Trace Out: One Line Game | – | Free | August 24, 2026 | |
| Shape Craft: Mindful Forms | 5.0 / 5 (1) | Free | Jan 28, 2026 | Compare |
| Gravity Smash | 5.0 / 5 (2) | Free | Jan 2, 2026 | Compare |
| Secret Bottles | – | Free | Jan 21, 2026 | Compare |
| Trace The Line | 5.0 / 5 (6) | Free | Jul 11, 2026 | Compare |
| HueFuse | 5.0 / 5 (1) | Free | Nov 5, 2025 | Compare |
| One Line Drawing: Brain Games | 5.0 / 5 (2) | Free | Oct 3, 2026 | Compare |