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