| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,948 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,720 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,824 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,830 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,291 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,370 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,499 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,745 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,734 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,606 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,561 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,381 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,396 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,304 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,669 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,383 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,690 |
| Official European Union Languages | 0 | - | 4.97 | 239,717 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,600 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,736 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,291 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,402 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,048 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,121,587 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,909 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,001 |
| Random Country to Capital | 0 | - | 4.98 | 927,606 |
| Celtic Nations | 0 | - | 4.61 | 47,089 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,026 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,344 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,711 |
| European Geography By Letter - D | 0 | - | 4.50 | 114,358 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,923 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,352 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,009 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,499 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,845 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,466 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,508 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,168 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,448 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,421 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,329 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,994 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,641 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,598 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,833 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,524 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,722 |
| Famous Germans | 0 | - | 4.50 | 55,778 |
| German Groups of Things | 0 | - | 4.47 | 38,628 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,680 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,426 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,338 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,401 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,407 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,221 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,829 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,668 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,626 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,784 |
| Monarchies of Europe | 0 | - | 4.90 | 98,825 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,382 |
| States of Germany | 0 | - | 4.95 | 154,384 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,666 |
| Regions of Italy | 0 | - | 4.92 | 77,009 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,778 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,269 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,731 |
| Champions League Winners | 0 | - | 4.92 | 1,015,638 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,971 |
| Monarchies of Asia | 0 | - | 4.97 | 71,484 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,272 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,567 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,283 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,067 |
| Random Countries by Borders | 0 | - | 4.99 | 83,062 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,982 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,094 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,045 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,662 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,739 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,352 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,089 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,601 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,810 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,574 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,491 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,088 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,027 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,337 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,076 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,821 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,463 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,096 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,489 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,502 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,880 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,809 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,844 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,757 |
| European Geography A-Z | 0 | - | 4.29 | 49,473 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,969 |
| Famous French People | 0 | - | 4.07 | 36,082 |
| Departments of France | 0 | - | 4.93 | 55,107 |
| Word Chain - France | 0 | - | 4.38 | 42,928 |
| The Mafia Quiz | 0 | - | 4.46 | 23,436 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,731 |
| History of The Netherlands | 0 | - | 4.46 | 17,547 |
| British Groups of Things | 0 | - | 4.26 | 83,005 |
| British Acronyms | 0 | - | 4.40 | 45,933 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,101 |
| British Monopoly Board | 0 | - | 4.52 | 41,259 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,095 |
| Name the English Monarchs | 0 | - | 4.91 | 506,201 |
| England or Wales? | 0 | - | 4.94 | 45,953 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,041 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,722 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,667 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,186 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,322 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,907 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,735 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,739 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,292 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,916 |
| Slavic Languages | 0 | - | 4.68 | 54,680 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,074 |
| France A-Z | 0 | - | 4.16 | 38,331 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,667 |
| Name that Greek Letter | 0 | - | 4.93 | 324,910 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,729 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,617 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,086 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,283 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,638 |
| Word Chain - Africa | 0 | - | 4.47 | 31,710 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,752 |
| Star Wars Quotes | 0 | - | 4.86 | 186,155 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,055 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,004 |
| Name a Country A-Z | 0 | - | 5.00 | 245,604 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,136 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,923 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,817 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,447 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,184 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,807 |
| History of Russia Quiz | 0 | - | 4.47 | 32,000 |
| Word Chain - Russia | 0 | - | 4.33 | 15,793 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,865 |
| Russian History A-Z | 0 | - | 4.35 | 32,197 |
| Word Chain - Germany | 0 | - | 4.31 | 22,680 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,236 |
| The Trojan War | 0 | - | 4.83 | 39,972 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,899 |
| Famous Irish People | 0 | - | 4.05 | 46,062 |
| History of Italy | 0 | - | 4.55 | 32,141 |
| Word Chain - Italy | 0 | - | 4.07 | 23,218 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,331 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,572 |
| Roman Emperors | 0 | - | 4.95 | 121,143 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,813 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,476 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,416 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,405 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,573 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| Name a Valid English City | 0 | - | 4.19 | 16,818 |
| British Geography A-Z | 0 | - | 4.42 | 19,604 |
| London A-Z | 0 | - | 4.10 | 40,876 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,762 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,606 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,299 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,351 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,511 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,680 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,372 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,639 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,178 |
| Capitals of French Regions | 0 | - | 4.45 | 16,176 |
| Regions of France | 0 | - | 4.70 | 122,032 |
| France Immigration by Country | 0 | - | 4.70 | 76,913 |
| Kings of France Quiz | 0 | - | 4.20 | 32,920 |
| Capitals of German States | 0 | - | 4.74 | 29,068 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,534 |
| Germany True or False? | 0 | - | 4.61 | 49,013 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,448 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,609 |
| Ancient Greek Words | 0 | - | 4.93 | 112,422 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,735 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,786 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,240 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,758 |
| Famous Scottish People | 0 | - | 4.22 | 18,439 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,434 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,044 |
