Here is the full list of all 16 HunieCam Studio achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Contract all 6 STDs (within a single save file).
Earn the Bronze trophy without using accessories.
Purchase every investment within 21 days.
Unlock all outfits and hairstyles for all girls.
Earn the Silver trophy using only 3 girls.
Complete a game session without dropping below 5 cigs or drinks.
Employ a full staff made up entirely of HuniePop characters.
Earn the Diamond trophy.
Purchase 8 ads within a single day.
Unlock all outfits and hairstyles for one girl.
Earn the Platinum trophy.
Earn the Gold trophy without escorting.
Recruit all 18 girls at least once (across all save files).
Employ a full staff of 8 cam girls.
Have one girl of each race doing a cam show simultaneously.
Employ your very first cam girl.