Files with the extension .LNX are ROM (read only memory) image files associated with the 'Atari Lynx'.

A ROM image file is a computer file containing a copy of the data usually held on a physical medium such as a CD or cartridge.

.LNX files are designed to be used by Atari Lynx emulation software.

* The Atari Lynx was a handheld games console produced by Atari and released in 1989.