NEShim

NEShim is a full-featured NES emulator built on BizHawk’s cycle-accurate core, with native Steam integration for commercial distribution. Publish any NES game on Steam as a native Windows application — with achievements, overlay support, Steam Input, save states, a rich multi-language UI, and a deep video and audio filter stack — without modifying the ROM.

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Documentation

Latest release — v2.3.0	Stable release documentation
Pre-release docs	Features not yet in a stable release
Version history	All past releases