| Länder, die mit … beginnen | 20 | 20 | 4.75 | 2,683,290 |
| Quizzes mit Karten | 36 | 33 | 4.75 | 1,889,603 |
| Deutschland | 35 | 30 | 4.63 | 1,552,039 |
| Fußball-Quizzes | 22 | 17 | 4.40 | 1,471,868 |
| Länder | 47 | 46 | 4.59 | 1,245,619 |
| Quizz français de Gassu | 15 | 13 | 4.69 | 1,104,310 |
| Geschichts-Quizzes | 50 | 48 | 4.46 | 770,166 |
| Flaggen-Quizzes | 11 | 11 | 4.78 | 746,948 |
| Gassu's SVG Quizzes | 40 | 7 | 4.67 | 702,315 |
| Antworten sind europäische Länder | 17 | 17 | 4.77 | 629,744 |
| The Only ... | 5 | 3 | 4.64 | 440,257 |
| Politik-Quizzes | 14 | 13 | 4.59 | 410,895 |
| Bilder nach Buchstabe | 25 | 25 | 3.80 | 398,670 |
| die deutsche Sprache | 15 | 11 | 4.32 | 397,293 |
| Geographie nach Buchstabe | 25 | 25 | 4.31 | 383,774 |
| Fünf pro Kontinent | 6 | 6 | 4.76 | 350,514 |
| Pruebas de Gassu en español | 7 | 7 | 4.52 | 338,994 |
| Sport-Quizzes | 11 | 10 | 4.38 | 335,552 |
| Regionen | 13 | 13 | 4.70 | 326,801 |
| Allerlei | Sonstiges | 13 | 13 | 4.46 | 317,408 |
| Die größten Städte | 15 | 13 | 4.46 | 277,967 |
| Sprachen | 13 | 13 | 4.53 | 270,483 |
| Gewässer und Inseln | 15 | 15 | 4.57 | 247,271 |
| Geschichte nach Buchstabe | 25 | 25 | 4.36 | 234,012 |
| Bild-Quizzes | 23 | 20 | 4.28 | 230,759 |
| Antworten sind Städte | 16 | 14 | 4.28 | 224,052 |
| Which City in ... | 3 | 3 | 4.52 | 215,555 |
| United States Politics | 8 | 1 | 4.66 | 200,096 |
| Religion | Mythologie | 12 | 12 | 4.37 | 194,237 |
| Countries by Picture | 13 | 6 | 4.36 | 191,836 |
| Länder / Städte mit Hinweisen | 14 | 13 | 4.64 | 182,135 |
| Achtung Abflug! | 5 | 5 | 4.72 | 177,892 |
| Name a Valid Answer | 2 | 2 | 4.74 | 159,574 |
| Länder-Trivia | 14 | 14 | 4.46 | 154,109 |
| Allgemeinwissen der Geschichte | 12 | 12 | 4.35 | 149,090 |
| Meistbesuchte Länder von ... | 8 | 7 | 4.66 | 146,787 |
| Mathematik-Quizzes | 2 | 2 | 4.46 | 141,815 |
| Von Nord bis Süd | 4 | 4 | 4.70 | 125,662 |
| Österreich | 6 | 6 | 4.67 | 119,943 |
| Tourismus-Quizzes | 4 | 4 | 4.66 | 115,805 |
| Tier-Quizzes | 7 | 7 | 4.25 | 98,394 |
| Zusammengefügt! | 9 | 9 | 4.71 | 96,306 |
| United States Cities | 34 | 2 | 4.70 | 96,239 |
| 100 Longest Rivers by Continent | 7 | 1 | 4.93 | 93,849 |
| Hauptstädte - Karten-Quiz | 6 | 6 | 4.71 | 92,414 |
| Wikipedia Quizzes | 5 | 2 | 4.25 | 89,722 |
| City Quizzes | 53 | 2 | 4.52 | 87,238 |
| Wahrzeichen von Ländern | 4 | 4 | 4.80 | 82,455 |
| Schweiz | Suisse | Svizzera | Svizra | 13 | 7 | 4.55 | 80,160 |
| New Zealand | 22 | 2 | 4.73 | 78,838 |
| Geographie A-Z | 7 | 7 | 4.36 | 77,890 |
| Polska | 2 | 1 | 4.89 | 68,774 |
| A-Z Quizzes | 7 | 1 | 4.46 | 68,671 |
| Gemeinden der Schweiz | 27 | 1 | 4.83 | 64,031 |
| Antworten sind asiatische Länder | 4 | 4 | 4.61 | 62,054 |
| United States Geography | 23 | 2 | 4.58 | 61,476 |
| Personen nach Land | 5 | 5 | 4.59 | 57,299 |
| World's 50 Largest Cities | 26 | 0 | 4.24 | 53,493 |
| Gruppen von Dingen | 4 | 2 | 4.54 | 52,589 |
| Elemente (Chemie) | 2 | 2 | 4.60 | 50,557 |
| Gassu's Flag Quizzes | 2 | 1 | 4.61 | 45,867 |
| Gassu's Sports Quizzes | 30 | 1 | 4.37 | 42,861 |
| Newsmeldungen - Nenne das Land | 4 | 4 | 4.60 | 36,915 |
| Monarchie | Royals | 3 | 2 | 4.56 | 31,399 |
| Communes de Suisse | 10 | 2 | 4.95 | 31,000 |
| italiano | 2 | 1 | 4.73 | 28,341 |
| Geographie nach Anzahl Buchstaben | 2 | 2 | 4.32 | 25,001 |
| California | 5 | 1 | 4.68 | 17,700 |
| Städte-Trivia | 8 | 5 | 4.54 | 17,358 |
| Five Cities by Continent by Letter | 26 | 0 | 3.50 | 15,896 |
| Ereignisse nach Monat | 5 | 4 | 4.00 | 12,830 |
| Religion | 5 | 0 | 3.39 | 10,747 |
| It's All About Countries | 15 | 0 | 4.72 | 9,262 |
| Switzerland | 18 | 0 | 4.70 | 8,701 |
| Language Quizzes | 12 | 0 | 4.89 | 8,102 |
| Biggest Cities in the E.U. by Letter | 26 | 0 | – | 6,883 |
| Groups of Things | 6 | 0 | 3.96 | 6,874 |
| Gassu‘s Geographic Groups | 4 | 0 | 3.91 | 6,810 |
| World Politics | 13 | 0 | 4.31 | 6,420 |
| Misc | 12 | 0 | 4.66 | 6,033 |
| Historical Quizzes | 11 | 0 | 4.61 | 5,588 |
| Transportation | 12 | 0 | 4.86 | 5,066 |
| All 500k+ Urban Areas | 3 | 0 | 4.70 | 4,768 |
| Italy | 5 | 0 | 4.83 | 3,985 |
| Largest European Cities by Letter | 23 | 0 | – | 3,685 |
| the Britons and their Commonwealth | 5 | 0 | 5.00 | 3,534 |
| Gassu Quizzes | 7 | 0 | 3.89 | 3,396 |
| Germany | 10 | 0 | 4.63 | 3,327 |
| All 100k+ Urban Areas | 3 | 0 | 4.93 | 3,259 |
| Ortschaften der Schweiz | 26 | 0 | – | 3,101 |
| Five Biggest Cities by Region | 6 | 0 | – | 3,023 |
| Decoder Quizzes | 7 | 0 | 4.20 | 2,984 |
| US State General Knowledge | 11 | 0 | – | 2,418 |
| Oceania Quizzes | 5 | 0 | 4.82 | 2,378 |
| Physical Geography by Picture | 6 | 0 | – | 2,284 |
| Spain | España | 7 | 0 | 5.00 | 2,141 |
| Notable People by City | 6 | 0 | 5.00 | 1,968 |
| Countries by a Single Word | 6 | 0 | – | 1,845 |
| Europe's Largest [...]-Letter Cities | 7 | 0 | – | 1,732 |
| Biggest Cities in NATO by Letter | 9 | 0 | – | 1,538 |
| Bundesliga | 2 | 0 | – | 1,505 |
| Gassu's Tile Quizzes | 3 | 0 | 4.83 | 1,490 |
| Stoopid Quizzes | 2 | 0 | 5.00 | 1,405 |
| Rivers | 3 | 0 | 4.84 | 1,318 |
| Gassu's City Trivia | 2 | 0 | – | 1,301 |
| France | 2 | 0 | 4.80 | 1,266 |
| The 30 Greatest … | 8 | 0 | – | 1,174 |
| Localités de la Suisse romande | 7 | 0 | – | 1,160 |
| JetPunk Quizzes | 7 | 0 | – | 796 |
| Islands! | 5 | 0 | – | 781 |
| Biggest Cities in the Americas by Letter | 4 | 0 | – | 679 |
| Country Details | 4 | 0 | – | 618 |
| Cities as a Percent of the Continent | 5 | 0 | – | 570 |
| the Nordics! | 2 | 0 | – | 566 |
| Biggest European Cities by Letter | 6 | 0 | – | 514 |
| Most Guessed Things | 3 | 0 | – | 457 |
| Biggest New Zealand Cities by Region | 16 | 0 | – | 409 |
| Gassu's Discord Quizzes | 4 | 0 | – | 363 |
| The Pacific Ocean by Letter | 3 | 0 | – | 254 |
| Random Tourist Attractions | 2 | 0 | – | 195 |
| Rumantsch | 4 | 0 | – | 96 |
