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NHTV Breda University of Applied Science (the Netherlands) assisted the Italian development team Double Jungle in obtaining a detailed insight into their original action-puzzle iPad videogame ‘Gua-Le-Ni; or, The Horrendous Parade’ (http://www.gua-le-ni.com). Specifically, the experiments that were run on the game focused on the use of biometric (or psychophysiological) sensors in order to gain deep and objective insights into how the bodies of the target audience reacted to the game. Similar methodologies were never applied to the development of a casual game.
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www.gua-le-ni.com
• M.S. Architecture / M.A. Fine Arts
• Ph.D. Candidate in Philosophy
• Lecturer in Game Design and Game Studies at:
STEFANO GUALENI
DAVID HUME (1711-1776)
“All the creative power of the mind is confined within
the limits of sensory experience.”
David Hume, Enquiry Concerning Human
Understanding (1748)
Videogames could be used as philosophical tools.
As such, they could overcome some of the effects and the limitations that the written text as a medium
had on the development of thought.
[…] biometric experiments were run on the game in order to gain deep and objective insights into
how the bodies of the target audience reacted to gameplay.
The fundamental belief at the base of biometrics is that
internal states of an individual (stress, emotional involvement, immersion, etc.) have physical
and behavioural ways of expressing themselves.
Can biometrics SUPPORT THE
developent of casual VIDEOgames?
• EXPENSIVE
• OBJECTIVE
• CAN WORK WITH
TRADITIONAL QA
• OFFERS DEEP
INSIGHTS
• CONTINUOUS
• A LOT OF NOISE
• NO EXISTING
LITERATURE
• DATA ANALYSIS
IS LONG
What is the optimal walking speed of the beast for the first impact with gameplay?
FIRST TESTS
COMPARATIVE EXPERIMENTS:INITIAL SPEED 24 sec.INITIAL SPEED 30 sec. GEQ QUESTIONNAIRE
FIRST TESTSRESULTS:The 30 sec. version was more satisfactory, but still too fast. Spikes were detected during gameover.
EFFECT:Speed set at 34 sec. + the need to understand those spikes.
Validate the new initial speed (34 sec.).
SECOND TESTS
Is the acceleration of the beasts aligning to the developers’ vision (noob: 3-5 mins, pro: max 20 mins)?
Are gameover spikes problematic?
subject pp35
interval
Ski
n C
on
du
ctiv
ity
3.4
3.6
3.8
4.0
4.2
10 20 30 40 50
dots
round
inter
slow
fast
SKIN CONDU-CTIVITY
(2nd TEST)
subject pp35
interval
ZM
, su
m o
f act
ivity
500000
1000000
1500000
2000000
10 20 30 40 50
dots
round
inter
slow
fast
ZYGOMATIC MAJOR
(2nd TEST)
SECOND TESTSRESULTS:The 34 sec. version was acceptable, but testers still felt too challenged. Acceleration fits the expectations.
EFFECT:Speed finally set at 36 sec. The acceleration curve was smoothed.
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