If Red Then Stop Demo
Program traffic lights, barriers, and more to solve your city’s traffic problems! Improve your coding skills by learning to control time-dependent processes with realistic state machines.
- Release date
- September 9, 2026
- Platforms
- Windows, Linux
- Developer
- Kerzoven
- Publisher
- Metaroot

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About If Red Then Stop Demo
Can you fix your city's traffic troubles with code? Build real-world state machines and see if you can keep everything moving! In this demo you will be able to play the first 6 levels of the first game. Solve Traffic The Smart WayManage and optimize traffic flow with smart signals and barriers. Vehicles and pedestrians must move from point A to B, but not everyone can go first. It's essential to balance priorities, reduce congestion, and create efficient traffic solutions.
Timing and decisions make all the difference. Learn State AutomationLearn the fundamentals of state machines in automation. Improve your skills to tackle more complex situations of traffic systems. Explore how to control time-dependent processes with state sequences. Discover how your solutions lead to optimized traffic flow and dynamic system improvements. Become An EngineerThe player takes on the role of an engineer in a city with traffic and financial problems. In an up-and-coming Swiss city, traffic is constantly snarled and the streets are clogged.
New streetlights are poorly programmed, and the ambitious projects the mayor launched have drained the budget. Your predecessor just quit, and now it's up to you to fix the systems using a dusty manual for state machine programming. Quirky residents share their views on your solutions and provide detailed feedback. Connect Multiple SystemsConnect and integrate multiple traffic systems to create a cohesive network. Manage the flow across intersections, pedestrian crossings and train tracks.…
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