Here is the full list of all 18 First Time in Hawaii achievements.
Find all Hawaii Trivia
Play Unlimited Mode for the first time.
Complete Collector's Edition
Finish Chapter 14
Solve 10 Mini Subgames
Finish 10 Subgames without using Hint
Complete a Riddle Game Mode
Pair off 15 Interactive Pairs
Complete a Scramble Game Mode
Complete a Silhouette Game Mode
Finish a scene in 90 seconds
Complete a Picture Game Mode
Complete a No Vowels Game Mode
Finish a scene in 180 seconds
Finish a scene in 360 seconds
Complete a Pairs Game Mode
Finish Chapter 1
Unlock 20 Mini HOs