Here are my top 5 cheap NES games from my previous batch of reviews. These are in no particular order, but all of them are games I think offer plenty of play value for not-too-much money. The price for each game--cartridge only--is $9.99 or less on eBay, including shipping, as of a search I did on the toilet the day of recording. Several of these can be obtained complete in box or at least with the box for under $20. That's a great way to expand your retro games collection.