We've just released the Ultimate Party Hard Pack - which contains all of the Party Hard games and their original soundtracks and DLCs. From the original Party Hard, to Party Tycoon, and most recently Party Hard 2 with its DLCs recent free Breakout comic book!
The bundle is located right here:
https://store.steampowered.com/bundle/5062/The_Ultimate_Party_Hard_Pack/
And yes, all of the games are 75% off today, so there's no reason to not get all of them.
