In art they are: red, yellow and blue. Mixing the primary colours of paint produces the secondary colours of paint: orange, purple and green. These are different to the secondary colours of light.

All it takes is one wrong move. Red Light, Green Light is arguably the most recognizable game in the show. It sees contestants placed in an enclosed field with a large robotic doll named Young-hee.

Red Light, Green Light is a Squid Game-inspired experience on the Roblox platform featuring some of the best survival games ...