About Idle Master

Do you have a lot of games in your Steam library that have card drops available, but not enough time to play them all? How great would it be to run a program before bed and wake up to an inventory full of Trading Cards? That's what Idle Master does.

Open Source

Idle Master's source code is available for anyone to view. Go ahead.
View it here

Built With Love

Creating Idle Master was a labor of love. All so everyone can get the most from Steam Trading Cards.


Your Steam account information doesn't leave the Idle Master application, so nobody else can access it.


Here's what Idle Master looks like in action

Idle Master's Features

Easy configuration

With Idle Master you can be up and running in a matter of minutes, with no programming required.

Works with Steam

Idle Master was built by Steam enthusiasts using Steamworks and is only available on the Steam platform.

Simple installation

Idle Master includes an easy installation program that keeps the program automatically up to date.

Saves you time

Idle Master runs your Steam games with cards in sequence, automatically moving from one to the next.

Earns Steam wallet funds

The Trading Cards you earn with Idle Master can be sold on the Steam Marketplace so you can buy more games.

Completely free

Idle Master is 100% free and open source. It's made possible from generous donations from users like you.