Now you can have some fun on a completely new huge level - Dark Castle. It's filled with different mechanics and traps. Now you can play as a new hero with otherworldly abilities. You will obtain access to the new content after you install Dark Castle FREE DLC.
As for the other game changes:
- key binding
- cross-platform Steam Cloud saves
- developers' choice Workshop level
- new Workshop items
- huge Twitch integration update with tons of new mechanics
- new language: Simplified Chinese
- behavior performance optimization and bug fixes
http://store.steampowered.com/app/530180/?snr=1_5_9__405