Could YOU be sitting on a fortune? Take the quiz that tests your gaming knowledge and see how much retro titles could earn you

If you have a box of beloved video games that you haven't played for years stashed beneath your bed, now could be the time to cash them in. Retro gaming titles from Ice Climber to Pokemon are fetching hundreds as nostalgia trumps common sense - and now there's a calculator that lets you guess how much your favourites could be worth. The rise in demand for old pixelated titles flies in the face of hi-tech advances in gaming, with PlayStation launching a VR headset for more realistic experiences soon. Click on the module below to guess the value of retro games. Mobile users who can't see the game can visit MrGamez's website Retro gaming titles from Ice Climber to Pokemon are fetching hundreds of pounds as nostalgia trumps common sense - and now there's a calculator that lets you guess how much your favourites could be worth. Favourite platform games, beat'em ups and fantasy installments have appreciated rapidly in recent years, with ice Climber, first sold in 1985 for Nintendo's NES, for a price of 29.99 ( 43) selling on one occasion for a whopping 1,818 ( 2,617) This was for a factory-sealed copy, but if you own one still in its box, it could fetch almost 90 ( 130).