8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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expressiveintelligencestudio

ChrisLewis,JimWhitehead,NoahWardrip-Fruin

h8p://eis.ucsc.edu | h8p://www.cflewis.com

FDG2010

ATaxonomyofVideoGameBugs

WhatWentWrong

UCSantaCruz

http://www.cflewis.com/http://www.cflewis.com/http://eis.ucsc.edu/http://eis.ucsc.edu/

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TheJesusShot

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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Swa7ngBugs

Howcanyouvalidateabugfixing

tool,ifyoudontknowwhattypesof

bugsthereare?

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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expressiveintelligencestudio UCSantaCruz

Preview

RelatedWorkTheprocessofbuildingtaxonomies

TaxonomyofvideogamefailuresOurtaxonomy

U=lityWhatelsecanweusethisfor?

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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expressiveintelligencestudio UCSantaCruz

RelatedWork

Beizercreatedataxonomyof

so@wareengineeringbugsThereisnouniversallycorrectwayto

categorizebugs

Manyotherso@wareengineering

taxonomiesexistToospecificorgeneral,assumescode

knowledge,doesnthelpgames

Bainbridge&BainbridgeA8emptstoclassifybycause

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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expressiveintelligencestudio UCSantaCruz

WhatsInIt

Gamedesignisa

crea=veendeavor

Gameglitchesare

uninten=onal

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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Implementation

failures

Non-temporal Temporal

Position invalid(clipping)

Object out ofbounds at all

times

Object out ofbounds for

specific state

Invalid graphicalrepresentation

Action when notallowed

Action notpossible

Invalid valuechange

Invalidinformation

access

Lack of requiredinformation

Artificial stupidityInvalid position

over timeInvalid contextstate over time

Invalid eventoccurance

Interrupted eventImplementationresponse issues

Information Action

expressiveintelligencestudio UCSantaCruz

Taxonomy-Overview

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

8/17expressiveintelligencestudio UCSantaCruz

Taxonomy-PosiConInvalid

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

9/17expressiveintelligencestudio UCSantaCruz

Taxonomy-InvalidGraphicalRepresentaCon

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

10/17expressiveintelligencestudio UCSantaCruz

Taxonomy-LackofInformaCon

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

11/17expressiveintelligencestudio UCSantaCruz

Taxonomy-InvalidPosiConOverTime

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

12/17expressiveintelligencestudio UCSantaCruz

Taxonomy-InvalidontextStateOverTime

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

13/17expressiveintelligencestudio UCSantaCruz

Taxonomy-?

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

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Discussion

NotcompleteCaniteverbecomplete?

NotmutuallyexclusiveBugsoverlapdependingonperspecYve

Implementationfailures

Non-temporal

Temporal

Position invalid(clipping)

Object out ofbounds at all

times

Object out ofbounds for

specific stateInvalid graphicalrepresentation

Action when notallowed

Action notpossible

Invalid valuechange

Invalidinformation

access

Lack of requiredinformation

Unintelligentartificial

intelligence

Invalid positionover time

Invalid context

state over time

Invalid eventoccurance

Interrupted event

Implementationresponse issues

Information

Action

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

15/17expressiveintelligencestudio UCSantaCruz

UClity

Tes=ngAidTaxonomiesimprovenumberofrelevanttest

casesproducedbytesters

Valida=onofbugdetec=onso@ware

TheoreYcalunderstanding

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

16/17expressiveintelligencestudio UCSantaCruz

Review

RelatedWorkTheprocessofbuildingtaxonomies

TaxonomyofvideogamefailuresOurtaxonomy

U=lityWhatelsecanweusethisfor?

8/9/2019 What Went Wrong: A Taxonomy of Video Game Bugs

17/17expressiveintelligencestudio UC Santa Cruz

onclusion

Thisisjustthebeginning.

Howyouunderstand,adaptanduse

thetaxonomyisuptoyou.

ChrisLewis,JimWhitehead,NoahWardrip-Fruin

h8p://eis.ucsc.edu|h8p://www.cflewis.com

Contributetothetaxonomy:h8p://www.zenetproject.com/

taxonomy

Thismaterialisbaseduponworksupportedbythe

NaYonalScienceFoundaYonunderGrantNo.01165.

Anyopinions,findingsandconclusionsor

recommendaYonsexpressedinthismaterialarethoseof

theauthor(s)anddonotnecessarilyreflecttheviewsof

theNaYonalScienceFoundaYon(NSF)

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