1. Games Crowd-Powered Systems Alexander J. Quinn April 16, 2015

2. Motivation Fun (Quinn & Bederson 2011)

3. ESP Game In 4 months…  13,630 players  80% played on multiple days  33 played for >50 hours (each)  1,271,451 labels for 293,760 images Cost per label: $0.00 (von Ahn et al 2004)

4. Gamification “the use of game design elements in non-game contexts” (Deterding et al, MindTrek 2011)

5. “… non-game context”

6. “… game design elements …” points reputation

7. “… game design elements …” points skill acquisition

8. “… game design elements …” privileges

9. Fun games  challenge  curiosity  fantasy  uncertainty (Malone 1982; Shneiderman 2004)  usability  reliability

10. Fun interfaces  alluring metaphors  compelling content  attractive graphics  appealing animations  satisfying sounds (Shneiderman 2003)

11. Not fun

13. Flow (Chad Renando 12/2013, sideways thoughts blog)

14. Flow  Clear set of goals and progress  Clear and immediate feedback  Balance perceived challenges with own skills ( Csikszentmihalyi 2005; Wikipedia)

15. Flow (Oliverbeatson, via Wikipedia)

16. Flow