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Adventure Game Interpreter (AGI) gamesGroup DescriptionThe Adventure Game Interpreter (AGI) engine was first introduced by Sierra for its early early adventure games, pioneered by King's Quest (1984). The game engine was designed by Arthur Abraham was previously meant for IBM PCjr but was ported to other platforms. King's Quest IV (1988) was the last commercial game published by Sierra using the AGI engine as the engine could no longer compete with other adventure game engines at that time. The AGI engine however, continues to be used to create "unofficial" (shareware/freeware) AGI games by nostalgic individual programmers and companies. Not to be confused with the Game Group: Adventure Game Studio.
| Game Title | Year | Platform | Publisher | MobyScore |
| Enclosure | 2004 | Windows | Femo Duo Entertainment | 3.67 |
| Fuck Quest 2: Romancing the Bone | 2004 | DOS, Windows | | 1.61 |
| Space Quest 0: Replicated | 2003 | Windows | | 3.67 |
| Voodoo Girl: Queen of the Darned | 2002 | Atari ST, DOS | | 3.40 |
| Cloak of Darkness | 1999 | Windows | | 3.25 |
| Fuck Quest | 1998 | Atari ST, DOS, Windows | | 1.38 |
| Manhunter 2: San Francisco | 1989 | Amiga, Atari ST, DOS, Macintosh | Sierra On-Line, Inc. | 3.21 |
| Manhunter: New York | 1988 | Amiga, Apple IIgs, Atari ST, DOS | Sierra On-Line, Inc. | 3.23 |
| King's Quest IV: The Perils of Rosella | 1988 | Amiga, Apple II, Apple IIgs, Atari ST, DOS | Sierra On-Line, Inc. | 3.81 |
| Gold Rush! | 1988 | Amiga, Apple II, Apple IIgs, Atari ST, DOS | Sierra On-Line, Inc. | 3.48 |
| Leisure Suit Larry in the Land of the Lounge Lizards | 1987 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, Macintosh, TRS-80 CoCo | Sierra On-Line, Inc. | 3.78 |
| Roberta Williams' Mixed-Up Mother Goose | 1987 | Amiga, Apple II, Apple IIgs, Atari ST, DOS | Sierra On-Line, Inc. | 3.33 |
| Space Quest II: Chapter II - Vohaul's Revenge | 1987 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, Macintosh | Sierra On-Line, Inc. | 3.61 |
| Police Quest: In Pursuit of the Death Angel | 1987 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, Macintosh | Sierra On-Line, Inc. | 3.57 |
| King's Quest III: To Heir is Human | 1986 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, TRS-80 CoCo | Sierra On-Line, Inc. | 3.83 |
| The Black Cauldron | 1986 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, PC Booter | Sierra On-Line, Inc. | 3.39 |
| Space Quest: The Sarien Encounter | 1986 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, Macintosh | Sierra On-Line, Inc. | 3.91 |
| King's Quest II: Romancing the Throne | 1985 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, PC Booter | Sierra On-Line, Inc. | 3.03 |
| Donald Duck's Playground | 1984 | Amiga, Atari ST, Commodore 64, PC Booter, TRS-80 CoCo | Sierra On-Line, Inc. | 3.50 |
| King's Quest | 1984 | Amiga, Apple II, Apple IIgs, Atari ST, DOS, Macintosh, PC Booter, SEGA Master System | IBM | 3.62 | Selected Covers
Selected Screenshots
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