To be able to unlock the ability to change all of your staff members and celebrities you need to complete Mission 2.
Complete these objectives to get access to these areas.
Clubhouse - Complete Mission 5
Grotto - Invite the agent to the special party in Mission 4
Pool - Complete Mission 1
Complete these objectives to unlock these items.
Brass Bed - Complete Misson 9
Bunny Back - Complete Mission 3
Butt'r'fly - Hold the fundraiser in Mission 5
Leg-O-Lamp - Do an intimate action with a girl in mission 3
Massage Table - Publish an issue in Mission 2
Michelangelo - Publish Playboy Philosophy in Mission 4
Obsession - Find Ken Willard in Mission 5
Olivia's Hef - Complete Mission 4
Regency Chair - Complete Mission 8
Regency End Table - Complete Mission 6
Regency Rug - Complete Mission 11
Regency Sofa - Complete Mission 10
Trampoline - Get two girlfriends in Mission 3
Ultra Extreme Dance - Publish Karmyn Chase on the cover in Mission 5
Complete these objectives to unlock these outfits.
Artsy Bunny Shirt - Cover Shoot Karmyn Chase during Mission 5
Barely There Plus - Sign Carmen Electra in Mission 8
Leopard Flares - Hold the sex grotto part in Mission 7
Plaid Skirt - Hold special parties for your staff, playmates, and girlfriends in Mission 7
Playboy Mini - Get Markus a high Romantic relationship with a girl in Mission 6
Retro-Zip Front - Force the two feuding staff-mates to make up in Mission 4
Shoulder Wrap - Get a romantic relationship between Karmyn and Builder in Mission 6
Stars n' stripes - Make Wendy and Ciro fall in love during mission 8
White Peek-A-Boo - Get Penny or Sandra as your girlfriend in Mission 8