The Commodore 64 was one of the most popular home computers of the early-80s, competing, in the UK, with the Sinclair Spectrum. Despite its popularity over here, the Commodore's main market was the USA - which is why there were so many great US-based games made for it. Thousands, in fact.
According to the WMExperts website, the price of the software is the UK equivalanet of £17.50
Click to read the WMExperts story