You don't havw to bring your wallets to your desk. The mod is free. The map pack is the same (The improved one). And it will soon be released in the mod as soon as possible. Oh and i will forget trying to make it work in the original portal 2. And please no time machine ipad thingy in the map pack for a mod.
YEAH YOU HEARD IT ITS RELEASED LIVE IF YOU DID NOT NOTICE.