Here is the full list of all 36 Unnamed Project achievements.
Give flowers to the aliens
Give Flower to the gf of the alien couple
Disagree to Everything the Game Developer asks
Use WASD till you make it to the end of the maze
Climb the boxes to escape
Eat the test cheese
Push the child
Walk to the end of the hall and accept the cake
Wait 5 minutes in Room 1 for the Game Developer to get done
Turn around before the Game Developer says you can get out of the corner
Get Placed in Naughty Corner
Eat the candy.
Press the red button to “Close the Game”
Help the Game Developer make a new game
Wack things with the baseball bat
Steal Money from Vault
Walk into or jump into the ballpit
Jump the gate and be free
Smash all display cases
Jump off the plank into the void
Find the Rat King and his loyal army of rat subjects
Find the spy bird
Find the peace tree
Try to Leave
Count your riches
Interact to break down the dead end wall marked X
Corrupt the game
Pull out the sword
Blow up the level and the aliens
Walk the plank 10 times
Walk the plank 20 times
Walk the plank 50 times
Walk the plank 60 times
Jump while walking over the wooden plank to reach the other side
Wait for 1 minute for the Game Developer to let you out of the corner
Try to leave instead of taking the cake