To use it, you would typically need software like or 7-Zip to extract the contents.
"TANGLEWOOD.v.102.rar" appears to be a compressed file containing an update (version 1.0.2) or a specific release version of the video game [1].
A text file detailing changes, bug fixes, or new features in version 1.0.2.
is a 16-bit puzzle-platformer developed by Big Evil Corporation, originally designed for the Sega Genesis/Mega Drive, and later released for PC.
Typically, a compressed file with a name like this contains: