Features: 852 in 1 Game cartridge for NES game console, total of 405+447 games are integrated into one game cartridge,1024M bit flash chip in use. Save rorever feature support(No Battery Needed). Support playing and stay features, and all games are in English. Game cart with all the best of Mapper0, 1, 2, 3, 7, 9, 10, 11, 40, 66, 163 games. Duo game selection menus, Forever 1 405-in-1 and Forever 2 447-in-1. Great gift for friends who love retro games. Specifications: Material: ABS+Metal Color: Gold, Blue, Red, Green, Gray, Black(optional) Size: Approx. 138x120mm/5.43x4.72inch Applicable Model: for NES Game Console Package Includes: 1 Piece 852 in 1 Game Cartridge note: Caution!! Games marked with (EUROPE) are PAL-games, PAL-games may have issue playing properly on NTSC systems. No marked are NTSC games, NTSC games will run slower on PAL-system, some games have problem on PALconsole either! Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions.