.ARENA File Extension
File TypeQuake 3 Engine Arena File
What is an ARENA file?
Arena information file used by the Quake III engine, id Tech 3; contains specifications for a game arena, such as the map name, game type, briefing text, time limit, and respawn time; saved in a plain-text format.
ARENA files are typically stored in a .PK3 game archive in the /scripts directory.