AGI
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| AGI | ||
|---|---|---|
| Engine developer | Sarien Team, stu, dsymonds, sev, aquadran, md5, Buddha^, m_kiewitz | |
| Companies that used it | Sierra | |
| Games that use it | Sierra AGI Games, AGI Fan Games | |
| Date added to ScummVM | 2006-05-23 | |
| First release containing it | 0.10.0 | |
About
The AGI (Adventure Game Interpreter) engine was used by Sierra in their early adventure games.
It was also used in a digital "christmas card" given by Sierra to computer stores in 1986 to demonstrate the capabilities of the computers at the time, as well as the capabilities of the AGI engine. The program was designed to be started in the morning and run throughout the entire Christmas day.
The AGI engine in ScummVM is based on the code of the Sarien project, used with permission.
Games using this engine
The AGI engine was used in the following games:
- King's Quest (1984)
- King's Quest II (1985)
- The Black Cauldron (1986)
- Donald Duck's Playground (1986)
- King's Quest III (1986)
- Space Quest (1986)
- Leisure Suit Larry (1987)
- Mixed-Up Mother Goose (1987)
- Police Quest (1987)
- Space Quest II (1987)
- Gold Rush (1988)
- King's Quest IV (1988)
- Manhunter (1988)
- Manhunter 2 (1989)
- AGI Fan Games: Fan created games using the AGI engine
PASSIGAR (original link is down) also has a very good list of almost all known Sierra game versions
PreAGI
There were several games that used some parts of this engine, before it was mature enough (see TrollVM):
- Dragon's Keep (1982)
- The Gelfling Adventure (1983)
- Troll's Tale (1983)
- Mickey's Space Adventure (1984)
- Winnie the Pooh in the Hundred Acre Wood (1984)
Resources
- AGIWiki: Starting page for AGI Wiki
- AGI Bugs: List of known bugs in the original AGI games
- AGI TODO: TODO Page
- AGI Specifications: AGI Specs, based on version 3.0, with our modifications
- AGI Development: Programs used to make AGI Fan Games
- AGI Palettes: Differences in palettes used by the AGI engine
- AGI Predictive Dialog: Predictive dialog ScummVM aid
- Sierra Game Versions: Versions of Sierra's Games (AGI & SCI)
- AGI Debug Modes: Many of the original AGI games contain debug modes. This page lists known debug modes and the method to unlock them.
Debugging
- King's Quest 4 - set variable 112 to 4 to not get caught by the gargoyles
- Leisure Suit Larry 1 - money is stored in variable 90 at least for Apple IIgs
- Space Quest 1 - buckazoids is stored in variable 124 at least for Apple IIgs
Old Sarien Items
- Sarien Hall of Shame: Development Outtakes
- Sarien End Screens: Games Finished with Sarien
- Sarien Features
- Sarien Hires Badness