Here is the full list of all 20 Alicia Quatermain: Secrets Of The Lost Treasures achievements.
Drive off 20 thieves!
Complete the 34th level less than within 5 minutes!
Find 40 pieces of the puzzle
Complete 30 levels with 3 stars!
Collect the maximum amount possible of all resources on any level!
Defuse 10 bombs successfully!
Construct 30 buildings!
Gather 500 units of gold!
Complete 10 levels!
Complete 10 levels with 3 stars!
Gather 500 units of food!
Use a skill 20 times!
Assign 300 tasks to workers!
Gather 100 units of gold!
Gather 100 units of food!
Complete a level without using skills!
Find the first piece of the puzzle
Use a skill!
Complete one level with 3 stars!
Complete the 1st level!