Here is the full list of all 13 Roskis: A Boozy Beginning achievements.
Complete the First Level
Complete the Crashlanding Zone Level
Win the first battle
So, what did you find?
Start the Game
Complete the Office Level
Complete the Cave
Complete the Hippirobos' Level
Complete the Final Level
It just was not very good one
Games are all about stories right?
So, how much did you get?
Eggcellent!