Here is the full list of all 17 Under The Hood achievements.
Unlocked All Silvie Images
Unlocked All Frankie Images
Unlocked All Trish Images
Complete the game in Easy Mode
Complete the game in Normal Mode
No lives lost in a round of work!
Complete the Tutorial
Complete Day 2 with Silvie
Complete Day 3 with Silvie
Complete Day 4 with Silvie
Complete Day 5 with Frankie
Complete Day 6 with Frankie
Complete Day 7 with Frankie
Complete Day 8 with Frankie
Complete Day 9 with Trish
Complete Day 10 with Trish
Complete Challenge Mode