Here is the full list of all 18 Suicide Guy: The Lost Dreams achievements.
Complete all the extra levels
Shoot with cannon
Complete the game
Collect All Suicide Guy statues
Break a vase
Crash with the bumper car
Play as a pirate
Collect 10 Suicide Guy statues
Burn many items at once
overload the server
Get Kill by him
slide on slide
Collect 5 Suicide Guy statues
Make a super jump on pillows
Destroy An Alien Egg
Collect 1 Suicide Guy statue
Get Water Pressured
Die for the first time