portal2cd is a twitter client for posting remaining days to launch day of Portal 2[1]. It is designed to run as a scheduled task everyday. It is written in Python and relies on Tweepy module[2]. Before stating to use this script, you need to enter some keys from Twitter. Instructions for getting keys: 1. Create a Twitter application.[3] 2. Application Type = Client 3. Default Access Type = Read & Write 4. Select your application from "Your apps"[4] DO NOT CLICK ON "Edit Details »" 5. Copy/paste your Consumer key & secret to the script. 6. Click on "My Access Token" in the sidebar. 7. Copy/paste Access token key & secret to the script. [1] http://store.steampowered.com/app/620/ [2] https://github.com/tweepy/tweepy [3] https://dev.twitter.com/apps/new [4] https://dev.twitter.com/apps