Starquake

Thank!

here is the site https://www.pricecharting.com/game/atari-7800/sentinel?q=sentinel+7800 I don't know how real it can be

Thanks for the reply, I had checked on ebay but only 1 sold appears. seems to be difficult to find at the moment.

Good morning, I am a new user, and I have recently started collecting everything that is part of the Atari world. in my small collection I find myself with 1 sealed Sentinel game, one full open and one cartridge only. I would like to sell the open one and the cartridge only one. Can you tell me more or less the prices I could ask for? on some sites I have seen that new can cost around € 400 but I do not know how real these prices are. Thanks!