Table 12.

Summary of results.

Research question and question keywords		Result
1
	Categories	Category classification: 6 categories
	Play types	Play types: software (80%), hardware (12%), and Big game or ARGa (8%)
	Published year	High proportion of published year: 2014 and 2015
2
	PLEXb fun factors distribution	High proportion of PLEX fun factors: challenge and completion; low proportion of PLEX fun factors: cruelty, submission, subversion, suffering, and thrill
	Correlation each category	Correlation analysis: distribution of PLEX fun factors was similar in each category (a positive correlation for each category)
3
	Game mechanics distribution	High proportion of game mechanics: point, progress, and leaderboard; proportion of game mechanics was similarly distributed and used
	Correlation each category	Correlation analysis: distribution of game mechanics was similar in each category (a positive correlation for each category)

^aARG: alternative reality game.

^bPLEX: playful user experience.