Sale is from 22nd May – 26th May 2015 on Steam only:
Find the full update notes here: http://steamcommunity.com/games/338170/announcements/detail/155716338449140882
Golden Ticket Competition Details:
There are two Golden Tickets available in the competition. A winner must acquire the Golden Ticket through Ratz Instagib’s in-game loot system.
Participants accepted worldwide. Must be over 13 years of age.
Full Terms and Conditions can be found here: