Here is the full list of all 20 Toodee and Topdee achievements.
Uncover the truth
Release the white ladybugs
Unlock Opposite Day
Complete Chapter 6
Collect all red ladybugs
Collect all blue ladybugs
Unlock Chapter 6
Complete Chapter 5
Complete Chapter 4
Collect all purple ladybugs
Collect 150 ladybugs
Complete Chapter 3
Collect 100 ladybugs
Complete Chapter 2
Refuse to harm pigs
Collect 50 ladybugs
Collect 25 ladybugs
Complete Chapter 1
Complete Chapter 0
Do not feed the pig!