Best Selling
is an older title, it is frequently available at a very low cost during seasonal sales. Steam Sales : The game often goes on sale for as little as (80% off) during Summer or Winter sales. Official Bundles
: Certain characters, like Hatty Hattington , are officially unlocked on PC only by owning other games (like BattleBlock Theater) in your Steam library.
: Unlock over 25 characters, like the Gray Knight , Alien , and Cult Minion (the hardest to unlock).