Here is the full list of all 14 Ultra Foodmess achievements.
Kill 20 players with the bomb blast.
Kill 40 players with the club.
Kill 50 players with the pepper.
Kill 60 players with the Shot Dog.
Play 1 match.
Play 10 rounds.
Play 20 rounds.
Play 50 rounds.
Play 100 rounds.
Survive 40 seconds in Chop Chop mode.
Survive 40 seconds in Organic Disposal mode.
Survive 40 seconds in Hot Puddles mode.
Survive 40 seconds in Ketchin’ Up mode.
Survive 40 seconds in What the Fork mode.