Jnes is a NES emulator for Microsoft Winows. It is coded by Jabo, who is also known for his work on Project64, a Nintendo 64 emulator. The first public release of Jnes, version 0.10, was on August 5, 1999. It uses DirectX for its hardware interface. Jnes also features online play with Kaillera, and the ability to use codes for cheat devices like the Game Genie and Pro Action Replay. It also has the ability to use a mouse like a zapper. Jnes is known as one of the most accurate NES emulators for Windows.