1,073 citations for a 24-item questionnaire

Twenty-four items score six motivations, and one person can score high on several

Gustavo Tondello, Rina Wehbe, Lisa Diamond, Marc Busch, Andrzej Marczewski, and Lennart Nacke turned Marczewski’s practitioner framework into a survey instrument. The first study tested it with 133 respondents and retested 40.

Cutting six items strengthened the retest for five of six types

Test–retest reliability (Pearson r, 40 people) for the 30-item draft and the final 24 items. The Player scale fell to .357, and a 2019 revision replaced its items.

One respondent in 133 scored highest as a Disruptor

Each dot is one person, placed by their highest-scoring type. Disruptor scores averaged 14.9 of 28, while every other type averaged 20 to 22 (Table 5).

The data moved 14 of 31 game elements out of the framework’s grouping

Correlations between each type score and each game-element rating in the 2016 study, significant cells only. Regroup the rows by what the data showed; orange rows changed group.

Regroup by the data

The most reliable scale matched none of its game elements

The Philanthropist scale reached α = .893, the highest of the six, yet correlated at τ = .039 with its suggested elements. Kendall’s τ for each type, framework grouping to improved grouping; the improved grouping gained 9% overall (Tables 1 and 7).

Direct citations climbed to about 75 a year by 2021 and held there

Papers citing the Hexad paper each year, from OpenAlex. The 2026 bar runs to November 4.

The second ring kept growing every year through 2025

6,870 papers cite at least one of the 594 papers that cite the Hexad paper. In 2025 alone, 1,431 of them appeared.

The most-cited follow-ups became citation engines of their own

The 10 most-cited papers that cite the Hexad paper. Each bar splits by the year its citations arrived, from cyan in 2016 to magenta in 2026: a long magenta tail means the paper is still gaining. Hover a segment for the year; click a bar to open the paper.

Follow the most-cited descendant and the line runs nine generations to a 2026 museum study in Tashkent

Each step picks the most-cited paper, published in or after its parent’s year, that cites the step before. The line ends at a 2026 paper nobody has cited yet.

Authors in 65 countries cite the paper

Citing papers with at least one author affiliated in each country, top 15. Germany, Canada, and Brazil lead.

The questionnaire exists in at least 17 languages

The long questionnaire covers 16 languages including English. A Persian adaptation of Hexad-12 adds the 17th. Translation and validation are separate questions, and several versions report weaker fit.

Gustavo Tondello and Lennart Nacke kept rebuilding the scale, and Jeanine Krath made it shorter and stronger

Two threads run unbroken from the 2016 paper to Hexad-12. Jeanine Krath’s thread starts in 2021 with a study comparing player typologies with the Hexad and a review of theory in gamification research that 956 papers now cite, two generations below the Hexad paper in the descent chain. In 2023 she led the short form with Maximilian Altmeyer, Gustavo, and Lennart.

Hexad‑12 halved the questionnaire and fit the data better than the original

Krath, Altmeyer, Tondello, and Nacke (CHI 2023) report better model fit, reliability, and convergent and discriminant validity than the 24-item scale. Better fit in development samples does not prove fewer dropouts, and independent teams keep testing it: a Hong Kong study validated it with 1,610 young gamers, a German validation recommended five dimensions after the Disruptor scale failed its criteria, and a Chinese 12-item form shares only 10 of its items. Read the Hexad-12 paper.

Twenty-three thousand Hexad‑12 tests later, the Disruptor is still rare

Share of people whose single top type is each type, in the 2016 study (133 people) and the public Hexad-12 test (12,454 people). Another 47% of the 23,502 valid test takers tie on two or more types, so a single label misdescribes almost half of them. Grey dots show 2016; cyan dots rose since then and magenta dots fell.

Player motivation falls in every age band, while Philanthropist rises

Mean proportional Hexad-12 scores by age for the 18,423 test takers who shared their age; scores sum to 100% per person. The lines cross in the 21–29 band. These are self-selected visitors to a public test, not a population sample. Source: live data at hexad.gamified.uk/data (Andrzej Marczewski), retrieved November 4, 2026.

Each database counts a different number of citations

The charts use OpenAlex because it records who cites whom, which a network needs. Google Scholar indexes more theses, preprints, and non-English venues.