Retro games can be a very lucrative (or expensive) venture for people interested in gaming. It’s important to always keep an eye out for hidden treasures. You never know when you may happen upon one of these gems.

Here are ten of the most valuable games sold over time:

10) Red Sea Crossing (1983 – Atari 2600)

$10,400 (loose) in private sale in 2012 pricecharting.com

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9) Blockbuster World Championships II (1995 – Sega Genesis)

$10,500 (loose) in private sale in 2013 bypricecharting.com

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8) Metal Slug 2 (1993 – Neo Geo)

$13,499.96 (new) pricecharting.com

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7) Nintendo Campus Challenge (1991 – NES)

$20,100 (loose) sale on eBay in 2009 pricecharting.com

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6) Nintendo Powerfest (1994 – SNES)

$23,100 (loose) sale on ebay in 2013 pricecharting.com

5) 1990 Nintendo World Championships – Gray (NES)

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$26,400 (loose) in a private in 2019 pricecharting.com

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4) 1990 Nintendo World Championships – Gold (NES)

$26,667 (loose) on eBay in 2015 pricecharting.com

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3) Air Raid (1982 – Atari 2600)

$31,600 (complete) sale on eBay in 2010

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2) Stadium Events (1986 – NES)

$45,000 (new) on eBay in 2011 pricecharting.com

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1) Neo Turf Masters (Neo Geo)

$50,774 (new) pricecharting.com