| Länder, die mit … beginnen | 20 | 20 | 4.74 | 2,730,945 |
| Quizzes mit Karten | 36 | 33 | 4.75 | 1,908,891 |
| Fußball-Quizzes | 24 | 19 | 4.43 | 1,603,779 |
| Deutschland | 35 | 30 | 4.63 | 1,571,211 |
| Länder | 47 | 46 | 4.59 | 1,256,991 |
| Quizz français de Gassu | 15 | 13 | 4.70 | 1,117,361 |
| Geschichts-Quizzes | 50 | 48 | 4.46 | 778,626 |
| Flaggen-Quizzes | 11 | 11 | 4.78 | 757,523 |
| Gassu's SVG Quizzes | 40 | 7 | 4.67 | 709,143 |
| Antworten sind europäische Länder | 17 | 17 | 4.78 | 635,182 |
| The Only ... | 5 | 3 | 4.64 | 444,191 |
| Politik-Quizzes | 14 | 13 | 4.58 | 421,434 |
| Bilder nach Buchstabe | 25 | 25 | 3.80 | 401,183 |
| die deutsche Sprache | 15 | 11 | 4.32 | 400,471 |
| Geographie nach Buchstabe | 25 | 25 | 4.31 | 386,608 |
| Fünf pro Kontinent | 6 | 6 | 4.77 | 353,930 |
| Pruebas de Gassu en español | 7 | 7 | 4.52 | 343,233 |
| Regionen | 13 | 13 | 4.70 | 329,834 |
| Allerlei | Sonstiges | 13 | 13 | 4.45 | 319,739 |
| Die größten Städte | 15 | 13 | 4.45 | 281,464 |
| Sprachen | 13 | 13 | 4.53 | 277,442 |
| Gewässer und Inseln | 15 | 15 | 4.57 | 251,065 |
| Geschichte nach Buchstabe | 25 | 25 | 4.36 | 235,453 |
| Bild-Quizzes | 23 | 20 | 4.28 | 232,137 |
| Sport-Quizzes | 9 | 8 | 4.31 | 229,622 |
| Antworten sind Städte | 16 | 14 | 4.29 | 225,634 |
| Which City in ... | 3 | 3 | 4.52 | 216,484 |
| United States Politics | 8 | 1 | 4.66 | 200,967 |
| Religion | Mythologie | 12 | 12 | 4.38 | 195,594 |
| Countries by Picture | 13 | 6 | 4.36 | 193,489 |
| Länder / Städte mit Hinweisen | 14 | 13 | 4.63 | 186,124 |
| Achtung Abflug! | 5 | 5 | 4.72 | 182,434 |
| Name a Valid Answer | 2 | 2 | 4.74 | 160,583 |
| Länder-Trivia | 14 | 14 | 4.46 | 155,315 |
| Meistbesuchte Länder von ... | 8 | 7 | 4.67 | 150,078 |
| Allgemeinwissen der Geschichte | 12 | 12 | 4.35 | 149,894 |
| Mathematik-Quizzes | 2 | 2 | 4.46 | 143,013 |
| Von Nord bis Süd | 4 | 4 | 4.69 | 127,693 |
| Österreich | 6 | 6 | 4.67 | 120,767 |
| Tourismus-Quizzes | 4 | 4 | 4.67 | 117,005 |
| Tier-Quizzes | 7 | 7 | 4.25 | 99,056 |
| Zusammengefügt! | 9 | 9 | 4.72 | 97,256 |
| United States Cities | 34 | 2 | 4.70 | 97,206 |
| 100 Longest Rivers by Continent | 7 | 1 | 4.94 | 95,366 |
| Hauptstädte - Karten-Quiz | 6 | 6 | 4.72 | 93,401 |
| Wikipedia Quizzes | 5 | 2 | 4.29 | 90,154 |
| City Quizzes | 53 | 2 | 4.52 | 87,817 |
| Wahrzeichen von Ländern | 4 | 4 | 4.80 | 82,911 |
| Schweiz | Suisse | Svizzera | Svizra | 13 | 7 | 4.55 | 80,756 |
| New Zealand | 22 | 2 | 4.74 | 79,377 |
| Geographie A-Z | 7 | 7 | 4.36 | 78,292 |
| Polska | 2 | 1 | 4.89 | 69,145 |
| A-Z Quizzes | 7 | 1 | 4.46 | 69,099 |
| Gemeinden der Schweiz | 27 | 1 | 4.84 | 66,505 |
| Antworten sind asiatische Länder | 4 | 4 | 4.62 | 62,493 |
| United States Geography | 23 | 2 | 4.58 | 61,913 |
| Personen nach Land | 5 | 5 | 4.59 | 57,617 |
| World's 50 Largest Cities | 26 | 0 | 4.24 | 54,492 |
| Gruppen von Dingen | 4 | 2 | 4.54 | 52,998 |
| Elemente (Chemie) | 2 | 2 | 4.60 | 50,865 |
| Gassu's Flag Quizzes | 2 | 1 | 4.61 | 46,089 |
| Gassu's Sports Quizzes | 30 | 1 | 4.37 | 43,064 |
| Newsmeldungen - Nenne das Land | 4 | 4 | 4.60 | 37,068 |
| Communes de Suisse | 10 | 2 | 4.95 | 31,692 |
| Monarchie | Royals | 3 | 2 | 4.56 | 31,573 |
| italiano | 2 | 1 | 4.73 | 28,744 |
| Geographie nach Anzahl Buchstaben | 2 | 2 | 4.32 | 25,100 |
| California | 5 | 1 | 4.68 | 17,747 |
| Städte-Trivia | 8 | 5 | 4.54 | 17,426 |
| Five Cities by Continent by Letter | 26 | 0 | 3.50 | 16,348 |
| Ereignisse nach Monat | 5 | 4 | 4.00 | 12,869 |
| Religion | 5 | 0 | 3.39 | 10,813 |
| It's All About Countries | 15 | 0 | 4.72 | 9,302 |
| Switzerland | 18 | 0 | 4.70 | 9,254 |
| Language Quizzes | 12 | 0 | 4.89 | 8,137 |
| Groups of Things | 6 | 0 | 3.98 | 6,916 |
| Biggest Cities in the E.U. by Letter | 26 | 0 | – | 6,890 |
| Gassu‘s Geographic Groups | 4 | 0 | 3.91 | 6,843 |
| World Politics | 13 | 0 | 4.31 | 6,452 |
| Misc | 12 | 0 | 4.66 | 6,072 |
| Historical Quizzes | 11 | 0 | 4.61 | 5,622 |
| Transportation | 12 | 0 | 4.86 | 5,101 |
| All 500k+ Urban Areas | 3 | 0 | 4.70 | 4,842 |
| Italy | 5 | 0 | 4.83 | 4,026 |
| Largest European Cities by Letter | 23 | 0 | – | 3,704 |
| the Britons and their Commonwealth | 5 | 0 | 5.00 | 3,546 |
| Gassu Quizzes | 7 | 0 | 3.89 | 3,413 |
| Germany | 10 | 0 | 4.63 | 3,343 |
| All 100k+ Urban Areas | 3 | 0 | 4.93 | 3,323 |
| Ortschaften der Schweiz | 26 | 0 | – | 3,314 |
| Five Biggest Cities by Region | 6 | 0 | – | 3,044 |
| Decoder Quizzes | 7 | 0 | 4.33 | 3,005 |
| US State General Knowledge | 11 | 0 | – | 2,430 |
| Oceania Quizzes | 5 | 0 | 4.82 | 2,405 |
| Physical Geography by Picture | 6 | 0 | 4.40 | 2,311 |
| Spain | España | 7 | 0 | 5.00 | 2,170 |
| Notable People by City | 6 | 0 | 5.00 | 1,979 |
| Countries by a Single Word | 6 | 0 | – | 1,857 |
| Europe's Largest [...]-Letter Cities | 7 | 0 | – | 1,740 |
| Biggest Cities in NATO by Letter | 9 | 0 | – | 1,538 |
| Bundesliga | 2 | 0 | – | 1,513 |
| Gassu's Tile Quizzes | 3 | 0 | 4.83 | 1,498 |
| Stoopid Quizzes | 2 | 0 | 5.00 | 1,410 |
| Rivers | 3 | 0 | 4.84 | 1,370 |
| Gassu's City Trivia | 2 | 0 | – | 1,309 |
| France | 2 | 0 | 4.80 | 1,279 |
| Localités de la Suisse romande | 7 | 0 | – | 1,204 |
| The 30 Greatest … | 8 | 0 | – | 1,175 |
| JetPunk Quizzes | 7 | 0 | – | 798 |
| Islands! | 5 | 0 | – | 782 |
| Biggest Cities in the Americas by Letter | 4 | 0 | – | 681 |
| Country Details | 4 | 0 | – | 618 |
| the Nordics! | 2 | 0 | – | 571 |
| Cities as a Percent of the Continent | 5 | 0 | – | 570 |
| Biggest European Cities by Letter | 6 | 0 | – | 516 |
| Most Guessed Things | 3 | 0 | – | 458 |
| Biggest New Zealand Cities by Region | 16 | 0 | – | 425 |
| Gassu's Discord Quizzes | 4 | 0 | – | 363 |
| The Pacific Ocean by Letter | 3 | 0 | – | 258 |
| Random Tourist Attractions | 2 | 0 | – | 195 |
| Rumantsch | 4 | 0 | – | 98 |
