BATTLE File

What are BATTLE files and how to open them

Are you having problems opening a BATTLE file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your BATTLE files.

What is a BATTLE file?

A .BATTLE file is a Robocode Battle file.

Robocode Battle files store the setup for a Robocode battle so that the same fight can be repeated later. The Robocode program writes them and can load them to run or replay battles. These files define which robots will fight, how many rounds they'll battle in, the size of the arena, and various rules like how fast guns cool or how long a robot can be inactive.

They are produced by Robocode's battle setup feature when a user creates a custom match and saves their settings (or supplies them via command line). When loaded, Robocode reads the file to configure the battlefield, select participants, enforce rules, and run the rounds using the stored parameters. The file is not a replay or recording of actual combat; it does not store battle outcomes or movement logs.

Internally the file is text‐oriented: it begins with the signature "#BattleProperties" and includes named settings such as ROBOCODE.BATTLE.RULES.INACTIVITYTIME, ROBOCODE.BATTLEFIELD.WIDTH and HEIGHT, ROBOCODE.BATTLE.NUMROUNDS, ROBOCODE.BATTLE.GUNCOOLINGRATE, and ROBOCODE.BATTLE.SELECTEDROBOTS.

How to open BATTLE files

Important: Different programs may use files with the BATTLE file extension for different purposes, so unless you are sure which format your BATTLE file is, you may need to try a few different programs.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: August 23, 2026

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