CS/INFO 4154 · Friends Postmortem 11/10 High-level view: were players engaged? Report median...
Transcript of CS/INFO 4154 · Friends Postmortem 11/10 High-level view: were players engaged? Report median...
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CS/INFO 4154:Analytics-driven Game Design
Balance
Lecture 12:
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Friends Release Tuesday
Submit your game
through CMS
through GDIAC website
you will receive an email about this
before 10:10am
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Friends Postmortem 11/10
High-level view: were players engaged? Report median levels completed and time played
Show burndown charts for levels completed and time played
Explain the biggest problem with engagement What is the problem?
How did you identify this problem? i.e. burndown chart analysis
Where is the problem happening? Show a (spatial) heatmap
What proportion of players are affected? Show a state-transition diagram or temporal heatmap
How do you think you will fix it?
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Years of Balancing
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Balancing language
OPimba
nerf
underpowered
broken
buff
winrate
rework
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“Zerg OP, Toss imba!! So can we nerf terran now?”
- rockman
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“Zerg OP, Toss imba!! So can we nerf terran now?”
Zerg and Protoss are too powerful so can we reduce the relative power of Terran?
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Problem Response
fair
overpowered
underpowered
nerf
buff
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Case Study: Halo Series
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Case Study: Halo 1
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Halo 1: Overpowered Pistol
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Case Study: Halo 2
totally unbalanced
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Case Study: Halo 3
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Halo 3 Balance Interface
Pistol:
Sniper Rifle:
2
4
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Halo 3 Balance Interface
Pistol:
Sniper Rifle:
3
4
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Halo 3 Balance Interface
Pistol:
Sniper Rifle:
3
4
Are you having fun? Y/N
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An unbalanced game is…
Unfair
Frustrating
Uninteresting
Trivial
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What is balance?
Narrowest sense:
Fairness
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Fairness in competitive games
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50% 50%
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> 50% < 50%
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< 50% > 50%
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52-56%
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Fairness in noncompetitive games
When I fail, is it:
my fault?
the game’s fault?
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What is balance?
Narrowest sense:
Fairness
Expanded sense:
Depth
Variedness
Interestingness
Harmony
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Key Questions
How important is playing unpredictably?
To what extent must players react to the current state of the game?
How powerful is an action or combination of actions?
How much long-term strategy is necessary?
Is the outcome known long before the game’s end?
What is the effect of avoiding certain end states?
Are the starting conditions of the game fair?
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Basketball
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Tic-Tac-Toe
Fun as a kid
Not so much as an adult
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Perfect Play
100%
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Perfect Play
100%
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Perfect Play
0%0%
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Perfect Play
draw
draw
first move
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Why is balance so hard?
Complex interconnected systems
Hard to change these systems on the fly
Hard to measure balance
Player behavior changes over time
A < B < C
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Possible strategies
Metagame
Known
strategies
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SlayerS_`BoxeR` (Lim Yo-Hwan)
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BoxeR’s famous SCV rush
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All-in attacks with workers
Superhuman micromanagement
Dropships everywhere
BoxeR’s innovations
><
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Balancing Techniques
Symmetry
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Case study: Chess
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Case Study: Warcraft/Starcraft Series
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WarCraft II (and most old RTSes)
Both
Humans Orcs
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StarCraft
Terran Zerg Protoss
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Balancing Techniques
Symmetry
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Balancing Techniques
Symmetry
Tweaking
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Balancing Techniques
Symmetry
Tweaking
Tweaking Interface
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Tweaking Interface
Pistol:
Sniper Rifle:
2
4
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Tweaking Interface
Pistol:
Sniper Rifle:
3
4
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Balancing Techniques
Symmetry
Tweaking
Tweaking Interface
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Balancing Techniques
Symmetry
Tweaking
Tweaking Interface
Analytics!
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Behavioral Statistics
DatabasePeople Play
Pawn Moves 28% of Moves
Knight Moves 22% of Moves
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League of Legends
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StarCraft II
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StarCraft II
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Balancing Techniques
Symmetry
Tweaking
Tweaking Interface
Analytics!
Game theory
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Ideally…
Unbalanced
Game
Balanced
Game
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How fair are the starting conditions?
Player must choose a
starting condition S.
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How powerful is a particular action?
Player cannot play action
A more than k times.
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How important is long-term strategy?
Player cannot look more than
k moves into the future.
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Balancing Techniques
Symmetry
Tweaking
Tweaking Interface
Analytics!
Game theory
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Balancing Techniques
Symmetry
Tweaking
Tweaking Interface
Analytics!
Game theory
Storyboarding
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Summary: what is balance?
Narrowest sense:
Fairness
Expanded sense:
Depth
Variedness
Interestingness
Harmony
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Group Activity: Balance Scorecard!
Is there a dominant strategy?
Which mechanics are overpowered? Underpowered?
How much long-term strategy is necessary?
To what extent must players react to the current state of the game?
When the player fails, whose fault is it?