Easter Eggs
C

- Colonel's Bequest (the): A Laura Bow Mystery
- Conquests of Camelot: The Search for the Grail
- Conquests of the Longbow: Legend of Robin Hood
- Contract J.A.C.K.

E

- Ecoquest 2: Lost Secret of the Rainforest

F

- Freddy Pharkas, Frontier Pharmacist

G

- Gabriel Knight 2: The Beast Within
- Gabriel Knight 3: Blood of the Sacred, Blood of the Damned
- Gabriel Knight: Sins of the Fathers: 20th Anniversary Edition

H

- Half-Life

K

- King's Quest 1: Quest for the Crown (VGA)
- King's Quest II: Romancing the Throne
- King's Quest III: To Heir is Human
- King's Quest IV: The Perils of Rosella
- King's Quest V: Absence Makes the Heart Go Yonder
- King's Quest VI: Heir Today, Gone Tomorrow
- King's Quest: Mask of Eternity
L

- Leisure Suit Larry I: In the Land of the Lounge Lizards
- Leisure Suit Larry I: In the Land of the Lounge Lizards (VGA)
- Leisure Suit Larry II: Goes Looking for Love (in Several Wrong Places)
- Leisure Suit Larry III: Passionate Patti in Pursuit of Pulsating Pectorals
- Leisure Suit Larry VI: Shape Up or Slip Out
- Leisure Suit Larry VII: Love for Sail!

M

- Manhunter 2: San Francisco
- Manhunter: New York

P

- Pepper's Adventures in Time
- Phantasmagoria (Roberta Williams')
- Phantasmagoria: A Puzzle of Flesh
- Police Quest I: In Pursuit of the Death Angel
- Police Quest I: In Pursuit of the Death Angel (VGA)
- Police Quest II: The Vengeance
- Police Quest III: The Kindred
- Police Quest IV: Open Season
Q

- Quest for Glory 1 (EGA): So You Want To Be A Hero (a.k.a. Hero's Quest)

R

- Rise of the Dragon

S

- SWAT 4
- Shivers
- Shivers 2: Harvest of Souls
- Silver Lining (The)
- Space Quest I: The Sarien Encounter
- Space Quest II: Vohaul's Revenge
- Space Quest III: The Pirates of Pestulon
- Space Quest IV: Roger Wilco and the Time Rippers
- Space Quest VI: Roger Wilco in the Spinal Frontier

T

- Torin's Passage

U

- Urban Runner: Lost in Town