Here is the full list of all 28 Vicky Saves the Big Dumb World achievements.
START THE GAME
UNLOCK 1 NEW POWER
DIE 100 TIMES
GET 15 MEGAKILLS IN ONE LEVEL
DESTROY THE PILE OF POO
DEFEAT THE LORD OF ALL THINGS
SCORE 250,000 IN SHOOT THE SHIPS
COLLECT ALL FORBIDDEN FRUIT
SCORE 200,000 IN SURVIVE!
FINISH 1-1 IN HARD MODE
FINISH 1-2 IN HARD MODE
FINISH 1-3 IN HARD MODE
FINISH 1-4 IN HARD MODE
FINISH 2-1 IN HARD MODE
FINISH 2-2 IN HARD MODE
FINISH 2-3 IN HARD MODE
FINISH 2-4 IN HARD MODE
FINISH 3-1 IN HARD MODE
FINISH 3-2 IN HARD MODE
FINISH 3-3 IN HARD MODE
FINISH 3-4 IN HARD MODE
FINISH 4-1 IN HARD MODE
FINISH 4-2 IN HARD MODE
FINISH 4-3 IN HARD MODE
FINISH 4-4 IN HARD MODE
FINISH 5-1 IN HARD MODE
FINISH 5-2 IN HARD MODE
IN BOMBER TRAINING GET 60 ORBS-KILL VICKY