The Humble Weekly Sale: Tripwire Interactive

## Description

_The Humble Weekly Sale: Tripwire Interactive_ is a collection of up to 3
games by Tripwire Interactive with a pay-what-you-want model, starting with a
minimum amount of $1. Buying the bundle would get you Steam keys for the games
and the soundtrack of the games in MP3 and FLAC format.

The sale contains the following games:

* Red Orchestra: Ostfront 41-45
* Red Orchestra 2: Heroes of Stalingrad (Windows only)

If more than the average was paid, the bundle would also include:

* Killing Floor

The bundle was available for one week only; the paid amount could be freely
split between the developer, the Child’s Play and Electronic Frontier
Foundation charities and the bundle organizers.