Here is the full list of all 28 Katy and Bob Way Back Home achievements.
25 monkeys served
50 glasses of juice prepared
10000 in tips collected
50 cocktails made
100 customers served
1000 in tips collected
All artifacts in antique shop purchased
250 cocktails made
500 cocktails made
150 glasses of juice prepared
300 glasses of juice prepared
1000 customers served
2000 customers served
100 monkeys served
250 monkeys served
Fireworks launched 50 times
Fireworks launched 100 times
Fireworks launched 150 times
50000 in tips collected
Beach bar location completed
Lighthouse location completed
Airship location completed
20 levels with all tasks completed
40 levels with all tasks completed
All levels with all tasks completed
20 levels completed as Expert
40 levels completed as Expert
All levels completed as Expert