Infinite Armies is a customizable card game for two players.

It was created by Greg Porter, and published in 2005 by Blacksburg Tactical Research Center.

[citation needed] The heart of the game is a PDF file called iArmy Builder, which uses the functions of the Adobe Acrobat program to allow players to create and print their own cards using any graphics files they like.

The first versions focused on traditional modern armies, with tanks, infantry, airpower, etc.

But in theory, a player may base their cards on any idea they like, such as spacecraft, fantasy, cartoon characters, or even photos of friends and family.