Game Systems Engineering
              Game Metrics




Lennart Nacke
Blekinge Institute of Technology
Department of Inter...
Outline



 What are Game Metrics?


 Metrics Visualizations and Examples
What are Game Metrics?
 Statistical data
   – Game-focused
      Times (cumulative playing time, time for task completio...
Metrics in Level Design
 Player character in-game metrics balancing
   – Physical properties (distance, speed, interactio...
Metrics for game designers
 Identify problems
   – Location
   – Type
   – Cause

 Designing for player experience
   – ...
Metrics mean data
 Good analysis requires data mining
 Better results by visualizing the data
 Statistical data
   – Vi...
Xfire Game Rankings by Invested Playing Time




From http://www.xfire.com/cms/stats/
Heatmaps in Halo 3




     From http://www.bungie.net/News/content.aspx?type=topnews&cid=12943
Heatmaps in Half-Life 2, Episode 2




                  From http://www.steampowered.com/status/ep2/ep2_stats.php
Frag Vectors in Quake 3




   From http://orbusgameworks.com/blog/article/35/quake-iii-heat-maps
Time spent on map and jumping arcs (Quake 3)




  From http://orbusgameworks.com/blog/article/35/quake-iii-heat-maps
Half-Life 2 Gunfire Metrics (Safe Zones)




   From http://orbusgameworks.com/blog/article/42/half-life-2-gunfire-metrics
Game Metrics in Hitman: Blood Money




From Canossa, A. “Play personas and Game Metrics”
Eye Tracking Visual Attention Metrics




From Nacke, L., Lindley, C. (in preparation) ”Distribution of Visual Attention o...
Game and Physiological Event Logging




 From Nacke, L., Lindley, C., Stellmach, S. (2008) “Log Who’s Playing: Psychophys...
References
 Mellon, L., Kazemi D. (2008) “Wake Up and Smell the Metrics” Austin GDC
 Nacke, L., Lindley, C., Stellmach, ...
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Game System Engineering Lecture: Game Metrics

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Game Metrics Lecture from the course Game Systems Engineering that I teach at Blekinge Institute of Technology.

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Game System Engineering Lecture: Game Metrics

  1. 1. Game Systems Engineering Game Metrics Lennart Nacke Blekinge Institute of Technology Department of Interaction and System Design Game and Media Arts Laboratory http://gamescience.bth.se/teaching/courses/game-systems-engineering
  2. 2. Outline  What are Game Metrics?  Metrics Visualizations and Examples
  3. 3. What are Game Metrics?  Statistical data – Game-focused  Times (cumulative playing time, time for task completion)  Death counts (map, time, difficulty) – Player-focused  Behavioral  Attitudinal  Physiological  Everything you can measure…  Numbers ≈ knowledge – Scientific evaluation – Allows for computation…  Adaptive measures – Affective gaming
  4. 4. Metrics in Level Design  Player character in-game metrics balancing – Physical properties (distance, speed, interaction/movement type) – Temporary modifiers (power ups, ammo, etc.)  In-game environmental metrics – Tweakable system parameters (rain, terrain, effects, etc.) – Distribution of modifiers, NPCs – Points of player interaction  Time (of interaction)  Type (of interaction)  Space (e.g. where attack takes place)  Preferences of players – Difficulty, character classes, playing styles, etc.
  5. 5. Metrics for game designers  Identify problems – Location – Type – Cause  Designing for player experience – Measure all the playing facts you can gather – Reconstruct player identities – Discover causes for experiential phenomena  Game analysis is numerically reliable  Metrics as communication with the community
  6. 6. Metrics mean data  Good analysis requires data mining  Better results by visualizing the data  Statistical data – Visualization as decision helpers (e.g. histograms)  Game metrics is a young field – Few people – Industry neglected so far… – Ongoing scientific groundwork (usability, playability, behavior)  Example visualizations
  7. 7. Xfire Game Rankings by Invested Playing Time From http://www.xfire.com/cms/stats/
  8. 8. Heatmaps in Halo 3 From http://www.bungie.net/News/content.aspx?type=topnews&cid=12943
  9. 9. Heatmaps in Half-Life 2, Episode 2 From http://www.steampowered.com/status/ep2/ep2_stats.php
  10. 10. Frag Vectors in Quake 3 From http://orbusgameworks.com/blog/article/35/quake-iii-heat-maps
  11. 11. Time spent on map and jumping arcs (Quake 3) From http://orbusgameworks.com/blog/article/35/quake-iii-heat-maps
  12. 12. Half-Life 2 Gunfire Metrics (Safe Zones) From http://orbusgameworks.com/blog/article/42/half-life-2-gunfire-metrics
  13. 13. Game Metrics in Hitman: Blood Money From Canossa, A. “Play personas and Game Metrics”
  14. 14. Eye Tracking Visual Attention Metrics From Nacke, L., Lindley, C. (in preparation) ”Distribution of Visual Attention on Game-Interface Menus”
  15. 15. Game and Physiological Event Logging From Nacke, L., Lindley, C., Stellmach, S. (2008) “Log Who’s Playing: Psychophysiological Game Analysis Made Easy through Event Logging” LNCS Fun and Games 2008
  16. 16. References  Mellon, L., Kazemi D. (2008) “Wake Up and Smell the Metrics” Austin GDC  Nacke, L., Lindley, C., Stellmach, S. (2008) “Log Who’s Playing: Psychophysiological Game Analysis Made Easy through Event Logging” LNCS Fun and Games 2008 – http://www.springerlink.com/content/f3560134p7017541/  Kim, J.H., Gunn, D.V., Schuh, E., Philips, B., Pagulayan, R.J., Wixon, D. (2008) “Tracking Real-Time User Experience (TRUE): A comprehensive instrumentation solution for complex systems” CHI 2008  Canossa, A. (2008) “Play personas and game metrics, analysis of Hitman: Blood Money”, presentation in PhD Seminar  Tychsen, A., Canossa, A. (2008) “Defining Personas in Games Using Metrics” Proceedings of ACM Future Play 2008.  Byrne, E. (2005) Game Level Design, Chapter 7  Orbus Gameworks, http://orbusgameworks.com  Valve Steam, http://store.steampowered.com/stats/  Xfire, http://www.xfire.com/cms/stats/  Bungie, Microsoft, http://www.bungie.net, http://mgsuserresearch.com
  17. 17. Thank you for your attention!

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