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.JA File Extension

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File TypeJet Archive

DeveloperN3V Games
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Rare Uncommon Average Common Very Common
CategoryGame Files


This file is saved in a binary format, which requires a specific program to read its contents.


Game file used by N3V Games' (previously Auran) Jet engine; saves a compressed archive of game files and can include 3D game models and other information; enables game resources to be bundled together instead of across multiple files.

More Information

The Jet engine is used for the Trainz series games such as Trainz Railroad Simulator 12.

Programs that open JA files
Updated 9/15/2011