Here is the full list of all 13 KEEP OUT achievements.
Find Old JackNorman
Find a treasure chest underwater
be caught by hand 5 times
Pick up mirrorball
Climb up the highest point at laundromats
There's a first time for everything.
Died 5 times by DarkCivil
Find treasure chest under board
Jump 200 times
interact with lever 30 times
Died 3 times by Rat
Died 10 times by thorn trap
Died 25 Times