App info
- Installs
- 10+
- Category
- Puzzle
- Content rating
- Everyone
- Version
- 0.1.10
- Released
- Oct 14, 2026
- Last updated
- 14 Oct 2026
- In-app purchases
- Yes
- Contains ads
- Yes
- In-app price range
- $1.99 per item
- Promo video
- No
- Requires Android
- 7.1
Screenshots
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What's newin version 0.1.10
Completely refreshed forest background. Clearer, calmer lakeside scenery with fewer flowers and reeds. Improved layouts for levels 55, 69, 71 and 80; the turtle in level 185 now has both eyes. Corrected modal button colors and spacing.
About this app
Draw in one line. Solve 400 logic puzzles and explore 8 colorful worlds.
Read full description
One Line Puzzle: Big World is a one-stroke puzzle game with 400 logic puzzles across 8 colorful worlds. Draw familiar shapes in one continuous line and find the right route. Start at the marked point and follow the outline with your finger. Trace every section exactly once. You can return to the same dot along a different section, but cannot draw over a line you have already used. Plan your path through the branches: this is a line drawing puzzle, not a free drawing app. 8 worlds: Farm and Garden, Forest, Lake District, Mountains, Seaside, Tropical Islands, Desert, Savannah. Solve drawings of plants, animals, everyday objects and buildings. Begin with simple shapes, then discover more intricate routes. Connect the dots along each outline, open levels on the map, collect stars and discover clay-style rewards. Replay levels to improve your best result. Mint backgrounds, a coral line and soft clay-style illustrations create a cozy setting for a puzzle break. If you enjoy logic games and relaxing puzzle games, explore a new shape at your own pace. A hint reveals 80% of the full route's length. Draw the final 20% yourself. An unlocked hint stays available during your current series of attempts and does not reduce the stars you can earn. In the free version, hints are unlocked by watching a rewarded video. The free version contains ads and requires an internet connection. Premium is an optional one-time purchase, not a subscription. It removes ads, enables offline play and offers hints without watching videos. Buying or restoring Premium requires Google Play and an internet connection. Offline play is available after ownership is confirmed.