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