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If Red Then Stop
Demo available

If Red Then Stop

By Kerzoven

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.

A closer look

If Red Then Stop — gameplay screenshot 1If Red Then Stop — gameplay screenshot 2If Red Then Stop — gameplay screenshot 3If Red Then Stop — gameplay screenshot 4If Red Then Stop — gameplay screenshot 5If Red Then Stop — gameplay screenshot 6

Information & artwork: Steam · Last checked Sep 13, 2026 21:29 UTC