What is Retro Game Treasure?. Retro Game Treasure is a monthly subscription service. Every month you’ll get a selection of games for the retro consoles you select with ONLY the types of games you like! A treasure chest contains 3-5 Retro Games inside for you to keep! 3-5 Games Each Month. Average Value of $30 or more!. Start or Build your Retro Game Collection!. Cleaned and ready to play when they arrive!.