The product is the authentic version of the Nintendo NES game "Silent Service" released in 1989 by Ultra. This simulation game offers players the experience of operating a submarine during World War II, requiring strategic decision-making and skillful gameplay. The game is compatible with NTSC-U/C (US/Canada) region consoles and is a must-have for collectors and fans of classic NES titles. Enjoy free shipping on this retro gem that brings back nostalgic memories for many gamers.