Stop the Express

Stop the Express (in Japan, the game was known as Bousou Tokkyuu SOS (暴走特急SOS, "Runaway Express SOS")) is a video game made by Hudson Soft in 1983 for Sharp X1 . There were also versions for the ZX Spectrum, Commodore 64 and the MSX.

It was remade for Nintendo Family Computer as Challenger(チャレンジャー) in 1985.