Here is the full list of all 21 Artist Idle achievements.
Draw 99 pictures in one game
Move to Tallinn
Move to Oslo
Move to Madrid
Earn 1 billion
Draw 50 pictures in one game
Move to London
Earn 1 million
Move to Prague
Move to Moscow
Draw 25 pictures in one game
Earn $10000
Draw 13 pictures in one game
Move to Rome
Earn $1000
Move to Paris
Earn $100
Move to Berlin
Draw 5 pictures in one game
Earn $10
Draw one picture