Here is the full list of all 13 Dreamscaper: Prologue achievements.
Reached relationship level 9 across all characters.
Beat Isolation.
Reached relationship level 5 across all characters.
Craft 40 gifts.
Beat a level without taking damage.
Give an NPC a gift they love.
Beat Hometown Parts 1 and 2.
100% any floor.
Beat Fear.
Beat City Parts 1 and 2.
Acquire 3,000 Sand.
Complete all 4 floors without taking damage.
100% all 4 floors in one run.