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expressiveintelligencestudio
UC Santa Cruz
QuestBrowserMaking Quests Playable with Computer-Assisted Design
[email protected]://users.soe.ucsc.edu/~anne/13 December 2009
Anne Sullivan, Michael Mateas, Noah Wardrip-Fruin
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expressiveintelligencestudio UC Santa Cruz
Scenario 1
Two bandits approach, murderous intent in their eyes.
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expressiveintelligencestudio UC Santa Cruz
Scenario 1
Two bandits approach, murderous intent in their eyes.
Blizzard, World of Warcraft, 2004
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expressiveintelligencestudio UC Santa Cruz
Scenario 1
Two bandits approach, murderous intent in their eyes.
Blizzard, World of Warcraft, 2004
![Page 5: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/5.jpg)
expressiveintelligencestudio UC Santa Cruz
Scenario 1
Two bandits approach, murderous intent in their eyes.
BioWare, Dragon Age: Origins, 2009
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expressiveintelligencestudio UC Santa Cruz
Agency
The player actions available are supported by the dramatic probabilities of the situation.
- Wardrip-Fruin, et. al.
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expressiveintelligencestudio UC Santa Cruz
Scenario 2
The nightsaber population has grown too large.
Blizzard, World of Warcraft, 2004
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expressiveintelligencestudio UC Santa Cruz
Scenario 2
The nightsaber population has grown too large.
Paizo Publishing, Pathfinder Roleplaying Game, 2008
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expressiveintelligencestudio UC Santa Cruz
Scenario 2
The nightsaber population has grown too large.
Paizo Publishing, Pathfinder Roleplaying Game, 2008
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expressiveintelligencestudio UC Santa Cruz
Scenario 2
The nightsaber population has grown too large.
Blizzard, World of Warcraft, 2004.
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expressiveintelligencestudio UC Santa Cruz
Quest Agency
Quests lack the player actions to match the dramatic probabilities of the situation.
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expressiveintelligencestudio UC Santa Cruz
Computer Role-Playing Games
The main mechanic for choice is through combat.
Meanwhile, narrative is on a fixed trajectory.
Localized choices
Localized choices
Localized choices
Linear story Linear story
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expressiveintelligencestudio UC Santa Cruz
Quests
Players move through narrative in the form of quests.
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expressiveintelligencestudio UC Santa Cruz
Quests
A quest is “a goal-oriented search for something of value.”
-Jeff Howard
Edwin Austin Abbey, 1895. Sir Galahad finds the Holy Grail
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expressiveintelligencestudio UC Santa Cruz
Quests
A quest is a story-coated taskbuilt around game mechanics.
Blizzard, World of Warcraft, 2004
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expressiveintelligencestudio UC Santa Cruz
Tasks vs. Goals
Task-based quests tell the player explicitly what to do.
Goal-based quests guide the player.
Blizzard, World of Warcraft, 2004
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expressiveintelligencestudio UC Santa Cruz
Goal-based quests
Finding the solution the designer had in mind should not be the mystery the player is solving.
- Jeffrey Kaplan
"I want something that will attract attention but have no real importance.“ Lucasfilm Games, Secret of Monkey Island, 1990.
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expressiveintelligencestudio UC Santa Cruz
Goal-based quests
Multiple solutions allows for player creativity and lack of frustration.
Player creativity offers the ability to shape their own narrative based on choice.
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expressiveintelligencestudio UC Santa Cruz
Quest choice
Quests have the ability to contain interesting and meaningful choices.
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expressiveintelligencestudio UC Santa Cruz
Interesting Choice
Interesting choice - no clearly better option options are not equally
attractive the player must be able to
make an informed choice
- Rollings & Morris
shirt.woot.com. The Choice Was Not Hard, 2009
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expressiveintelligencestudio UC Santa Cruz
Meaningful Choice
Meaningful choice - discernable, noticeable effect integrated, significant impact
- Salen & Zimmerman
LionHead Studios, Fable II, 2008
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expressiveintelligencestudio UC Santa Cruz
Authorial burden
Creating quests with multiple solutions for multiple storylines requires an explosion of authoring.
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expressiveintelligencestudio UC Santa Cruz
The Grail Framework
The Grail Framework is a large project created to address this explosion.
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
QuestBrowser focuses on the top level of this issue.
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
Multiple solutions of non-standard quest types can be difficult for designers to invent.
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
ConceptNet is a common-sense knowledgebase represented as a semantic network
crowdsourced corpus
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
QuestBrowser brainstorming tool
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expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem:Reason:Solutions:
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expressiveintelligencestudio UC Santa Cruz
QuestBrowserfores
t
brook
bird
squirrel
fire
tree
mammal
Lays eggs
music
church
voice
happiness
song
heat
wood
burn
water
noise
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expressiveintelligencestudio UC Santa Cruz
QuestBrowserfores
t
brook
bird
squirrel
fire
tree
mammal
Lays eggs
music
church
voice
happiness
song
heat
wood
burn
water
noise
![Page 31: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/31.jpg)
expressiveintelligencestudio UC Santa Cruz
QuestBrowserfores
t
brook
bird
squirrel
fire
tree
mammal
Lays eggs
music
church
voice
happiness
song
heat
wood
burn
water
noise
![Page 32: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/32.jpg)
expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem: Birds aren’t singingReason:Solutions:
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
bird
flu
fly
fear cats
forest
feathers
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
bird
flu
fly
fear cats
forest
feathers
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expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem: Birds aren’t singingReason: Wild cats are terrorizing the birdsSolutions:
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
cat
curious
milk catnip
out of the bag
not be wet
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expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem: Birds aren’t singingReason: Wild cats are terrorizing the birdsSolutions: Kill the cats
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
cat
curious
milk catnip
out of the bag
not be wet
![Page 39: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/39.jpg)
expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem: Birds aren’t singingReason: Wild cats are terrorizing the birdsSolutions: Kill the cats(Stealth) Create moats around nesting trees
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
cat
curious
milk catnip
out of the bag
not be wet
![Page 41: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/41.jpg)
expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem: Birds aren’t singingReason: Wild cats are terrorizing the birdsSolutions: Kill the cats(Stealth) Create moats around nesting trees(Potion) Create catnip poultice to befriend cats
![Page 42: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/42.jpg)
expressiveintelligencestudio UC Santa Cruz
QuestBrowser
cat
curious
milk catnip
out of the bag
not be wet
![Page 43: QuestBrowser Making Quests Playable with Computer-Assisted Design](https://reader036.vdocument.in/reader036/viewer/2022062315/56816595550346895dd8680d/html5/thumbnails/43.jpg)
expressiveintelligencestudio UC Santa Cruz
Example
Town: Forest SongProblem: Birds aren’t singingReason: Wild cats are terrorizing the birdsSolutions: Kill the cats(Stealth) Create moats around nesting trees(Potion) Create catnip poultice to befriend cats
Tempt cats in bags with milk - relocate
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expressiveintelligencestudio UC Santa Cruz
QuestBrowser
Designer is still a key part of the design process.
QuestBrowser is not domain specific.
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expressiveintelligencestudio UC Santa Cruz
Conclusion
Making quests playable requires giving the player interesting and meaningful choices that support the dramatic probabilities.
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expressiveintelligencestudio UC Santa Cruz
Conclusion
Making quests playable requires giving the player interesting and meaningful choices that support the dramatic probabilities.
QuestBrowser was created to aid the author in designing for these choices.
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expressiveintelligencestudio UC Santa Cruz
Thank You
Questions?
Anne [email protected]://soe.ucsc.edu/~anne/
Blizzard, World of Warcraft, 2004