Here is the full list of all 12 Hipster Attack achievements.
Gather every kind of employee.
Discover all kinds of powers.
Acquire all upgrades.
Collect 30 stars.
Collect 60 stars.
Collect all 90 stars.
Gather 1000 money.
Meet every kind of hipster.
Gather 2000 money.
Gather 3000 money.
Get all stars on first boss level.
Get all stars on second boss level.