An ain file extension is related to the Source video gaming engine and used for its compiled AI nodegraph data.

There are 3 other file types using
the AIN file extension!

empty icon.ain - AIN compressed file archive

empty icon.ain - ArcView attribute index

empty icon.ain - NovaLogic game AI coordinates file

Detailed description

Software that open ain file

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AIN file extension - Source engine compiled AI nodegraph

What is ain file? How to open ain files?

File type specification:

Game file type icon Game file type

The ain file extension is associated with the Source a video gaming engine used by various computer games, like Half-Life 2, Team Fortress 2, Left 4 Dead etc.

The ain file stores settings and coordinates for AI (artificial intelligence) in the game.

The default software associated to open ain file:

Half-Life 2 icon

Valve Corporation logoHalf-Life 2  Microsoft Windows software

Company or developer:
Valve Corporation

Half-Life 2 is successor of legendary 3D first person shooter computer game Half-Life. Player takes role of scientist Gordon Freeman that have traveled to City 17 in the Eastern Europe. Freeman is forced to fight against increasingly unfavorable odds in order to survive. In his struggle, he is joined by various allies, including former Black Mesa colleagues, oppressed citizens of City 17, and the Vortigaunts. The game uses the Source game engine, which includes a heavily modified version of the Havok physics engine.

Help how to open:

Use compatible tools to work with *.ain files.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .ain file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ain file, edit ain file, convert ain file, view ain file, play ain file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with ain file - Source engine compiled AI nodegraph

Click on the software link for more information about Half-Life 2. Half-Life 2 uses ain file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Main software associated with ain file by default:
Half-Life 2 small icon Half-Life 2
Other suggested software:
Left 4 Dead small icon Left 4 Dead
Team Fortress 2 small icon Team Fortress 2

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