Here is the full list of all 27 WKSP Rumble achievements.
Win a battle.
Win a round without getting any damage
Win a match without getting any damage
Win 5 Matches
Win 15 Matches
Win 30 Matches
Win 50 Matches
Win 100 Matches
Complete the Story Mode for the first time
Beat someone from the sector
Beat someone from BI or Social Media
Beat someone from Facilities or IT
Beat someone from Account Services
Beat someone from the Art Department
Beat someone from the Media Department
Beat someone from the Broadcast or Joint team
Beat someone from the HR or Finances department
Beat someone from the Planning team
Win a match with a Copywriting employee
Win a match with a Social or BI employee
Win a match with a TI or Facilities employee
Win a match with a Account Services employee
Win a match with a Art Direction employee
Win a match with a Media employee
Win a match with a Broadcast or Joint employee
Win a match with a HR or Finances employee
Win a match with a Planning employee