DOS games published by Sierra On-Line, Inc. you can play online, free in your browser. 56 of the 112 titles here start instantly, with nothing to install.
They span 1982 to 1996 and lean towards adventure, action and role-playing (RPG).
Aces of the Deep1994 · Simulation
Battle Bugs1994 · Strategy / tactics
Caesar II1995 · Strategy / tactics
Castle of Dr. Brain1991 · Adventure
EcoQuest I: The Search for Cetus1991 · Adventure
EcoQuest II: Lost Secret of the Rainforest1993 · Adventure
Fast Attack: High Tech Submarine Warfare1996 · Simulation
Gabriel Knight: Sins of the Fathers1993 · Adventure
Gobliiins1991 · Puzzle
Gobliins 2: The Prince Buffoon1993 · Puzzle
Jones in the Fast Lane (Enhanced CD-ROM)1992 · Simulation
King's Quest I: Quest for the Crown (1987)1987 · Adventure
King's Quest II: Romancing the Throne1987 · Adventure
King's Quest III: To Heir is Human1986 · Adventure
King's Quest IV: The Perils of Rosella1988 · Adventure
King's Quest V: Absence Makes the Heart Go Yonder!1990 · Adventure
King's Quest VI: Heir Today, Gone Tomorrow1992 · Adventure
King's Quest VII: The Princeless Bride1994 · Adventure
Laura Bow 1: The Colonel's Bequest1989 · Adventure
Leisure Suit Larry 3: Passionate Patti in Pursuit of the Pulsating Pectorals1989 · Adventure
Leisure Suit Larry 5: Passionate Patti Does a Little Undercover Work1991 · Adventure
Leisure Suit Larry 6: Shape Up or Slip Out!1993 · Adventure
Leisure Suit Larry 7: Love for Sail!1996 · Adventure
Leisure Suit Larry Goes Looking for Love (in Several Wrong Places)1988 · Adventure
Leisure Suit Larry in the Land of the Lounge Lizards1987 · Adventure
Leisure Suit Larry: In the Land of the Lounge Lizards (SCI Remake)1991 · Adventure
Lode Runner: The Legend Returns1994 · Action5.0
Lords of the Realm II1996 · Strategy / tactics
Mega Math1993 · Educational
Mixed-Up Fairy Tales1991 · Adventure
Mixed-Up Mother Goose1987 · Adventure
Mixed-Up Mother Goose Enhanced1991 · Adventure
Nova 9: The Return of Gir Draxon1991 · Action
Oil's Well (1990)1990 · Action
Police Quest 2: The Vengeance1988 · Adventure
Police Quest 3: The Kindred1991 · Adventure
Police Quest 4: Open Season1993 · Adventure
Police Quest: In Pursuit of the Death Angel1987 · Adventure
Police Quest: In Pursuit of the Death Angel (SCI Remake)1992 · Adventure
Police Quest: SWAT1995 · Action
Quest For Glory II: Trial By Fire1990 · Adventure
Quest For Glory IV: Shadows of Darkness1993 · Adventure
Roberta Williams' Mixed-Up Mother Goose1991 · Adventure
Silpheed1989 · Action
Space Quest I: Roger Wilco in the Sarien Encounter (SCI Remake)1991 · Adventure
Space Quest I: The Sarien Encounter1986 · Adventure
Space Quest II: Vohaul's Revenge1987 · Adventure
Space Quest III: The Pirates of Pestulon1989 · Adventure
Space Quest IV: Roger Wilco and the Time Rippers1991 · Adventure
Space Quest V: Roger Wilco The Next Mutation1993 · Adventure
Space Quest VI: Roger Wilco in the Spinal Frontier1995 · Adventure
The Adventures of Willy Beamish1991 · Adventure
The Incredible Machine1993 · Puzzle
The Incredible Machine 21994 · Puzzle
Ultima II: The Revenge of the Enchantress1982 · Role-playing (RPG)
Ultimate Soccer Manager 21996 · Sports