Semaflo: Traffic Light Puzzle

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Content rating
Everyone
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Everyone
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About this game

You are the traffic light. The whole junction is yours.

Semaflo is a calm, minimalist puzzle game about one thing: deciding who goes, and when. Tap a light to open a road, tap it again to close it. Two cars in the box at the same time is a crash — and a crash costs a life.

But here is the rule that makes it a game: you cannot win by keeping a road shut. Every waiting driver runs a countdown, and when it reaches zero you lose a life too. Blocking is not a strategy. You have to make the whole junction flow.

The cars never speed up. Not once in 60 levels. The difficulty is built out of things to anticipate instead: a third road, then a fourth, then left turns that cut across oncoming traffic, buses that sit in the box longer, ambulances that must never be made to wait, and pedestrian crossings that force you to close a road that was running perfectly.

• 60 handmade levels, from a two-road junction to a full crossroads
• A patience countdown on every closed queue — the sanction is always visible before it lands
• Ambulances with absolute priority: look ahead, or lose a heart
• Buses, left turns and pedestrian crossings, introduced one at a time
• Plays completely offline — no account, no sign-up
• Sound effects and music, both switchable
• 12 languages

Free to play, with optional rewarded videos and in-app purchases. Ads are shown between levels and never interrupt one in progress.
Run the lights, clear the junction. 60 levels of pure traffic thinking.
Updated on
Aug 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App activity, App info and performance, and Device or other IDs
  • This app may collect these data types
    App activity, App info and performance, and Device or other IDs
  • Data is encrypted in transit

What’s new

First release.

60 levels of traffic thinking: open a road, close another, and never let a queue wait too long. No timers to beat, no reflexes needed.

Thanks for playing Semaflo!
Content rating
Everyone
In-Game Purchases
Learn more

App support

About the developer
DIGITAL MEDIA COMPANIES LTD
contact@dolimarketplace.com
20-22 Wenlock Road LONDON N1 7GU United Kingdom
+212 7 67 65 92 89

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