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