| Official European Union Languages | 0 | - | 4.98 | 200,767 |
| European Countries in their Native Language | 0 | - | 4.99 | 144,150 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 457,968 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,455 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,911 |
| Regions of Spain Quiz | 0 | - | 4.86 | 95,240 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,454 |
| States of Germany | 0 | - | 4.93 | 124,135 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,936 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,597 |
| Counties of Ireland | 0 | - | 4.89 | 159,558 |
| Regions of Italy | 0 | - | 4.88 | 60,635 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 61,077 |
| The Vikings! | 0 | - | 4.45 | 27,127 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,373 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 387,030 |
| Slavic Languages | 0 | - | 4.58 | 48,813 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,716 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,392 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,082 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,477 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,782 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,409 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,082 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,883 |
| Languages of Spain | 0 | - | 4.34 | 21,374 |
| Counties of England | 0 | - | 4.96 | 692,238 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,830 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,104 |
| Top African Languages on a Map | 0 | - | 4.92 | 53,388 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,151 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 47,188 |
| Celtic Nations | 0 | - | 4.76 | 44,683 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,798 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,851 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,408 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,413 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,049 |
| British Acronyms | 0 | - | 4.41 | 43,424 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,593 |
| Regions of France | 0 | - | 4.63 | 100,775 |
| France Immigration by Country | 0 | - | 4.80 | 69,103 |
| German Groups of Things | 0 | - | 4.43 | 36,007 |
| Germany True or False? | 0 | - | 4.63 | 44,553 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,949 |
| Famous Nordic People | 0 | - | 4.40 | 10,681 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,402 |
| The Portuguese Empire | 0 | - | 4.54 | 11,345 |
| British Words Quiz #2 | 0 | - | 4.03 | 106,946 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,999 |
| Counties of England Map Quiz | 0 | - | 4.97 | 287,227 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 271,759 |
| Champions League Winners | 0 | - | 4.91 | 856,861 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,901 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,902 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,945 |
| History of Austria | 0 | - | 4.68 | 16,414 |
| Regions of France Map Quiz | 0 | - | 4.96 | 127,645 |
| Geography of the French Empire | 0 | - | 4.49 | 25,444 |
| The French Revolution | 0 | - | 4.45 | 21,955 |
| France Multiple Choice | 0 | - | 4.40 | 38,684 |
| History of France Quiz | 0 | - | 4.55 | 39,726 |
| States of Germany Map Quiz | 0 | - | 4.91 | 120,385 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,948 |
| History of Italy | 0 | - | 4.49 | 29,825 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,664 |
| England or Wales? | 0 | - | 4.93 | 40,341 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,878 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 201,381 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,508 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 143,238 |
| History of The Netherlands | 0 | - | 4.42 | 15,789 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,949 |
| Canary Islands | 0 | - | 4.61 | 16,566 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,301 |
| British Spellings Quiz | 0 | - | 4.04 | 94,713 |
| British Groups of Things | 0 | - | 4.26 | 80,173 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,752 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,475 |
| Word Scramble - European Countries | 0 | - | 4.72 | 114,037 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 86,157 |
| Word Chain - France | 0 | - | 4.38 | 40,056 |
| Famous Germans | 0 | - | 4.39 | 35,214 |
| Famous Italians | 0 | - | 4.40 | 66,414 |
| Italian Foods | 0 | - | 4.25 | 64,396 |
| History of Spain Quiz | 0 | - | 4.33 | 19,588 |
| British Words Quiz #1 | 0 | - | 3.78 | 236,220 |
| British Foods | 0 | - | 3.85 | 47,065 |
| British and American Word Differences | 0 | - | 2.66 | 44,411 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,351 |
| Bridges of London | 0 | - | 4.11 | 9,368 |
| British Sport Trivia | 0 | - | 4.32 | 19,274 |
| Famous Welsh People | 0 | - | 4.12 | 9,273 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,471 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,027 |
| Geography of Germany | 0 | - | 4.37 | 15,629 |
| History of Germany Quiz | 0 | - | 4.35 | 40,197 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 585,225 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,103 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,796 |
| Roman Emperors | 0 | - | 4.95 | 96,153 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,815 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,937 |
| Famous Spaniards Quiz | 0 | - | 4.19 | 10,934 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,663 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 28,004 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,646 |
| People on Money - England | 0 | - | 4.34 | 15,955 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,754 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 245,183 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 163,860 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,151 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,124 |
| Famous French People | 0 | - | 4.15 | 24,145 |
| Movies Set in France | 0 | - | 4.23 | 12,517 |
| French Inventions | 0 | - | 4.08 | 13,345 |
| History of Paris | 0 | - | 4.20 | 12,697 |
| Word Chain - Germany | 0 | - | 4.29 | 21,131 |
| The Trojan War | 0 | - | 4.81 | 35,997 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,668 |
| Word Chain - Italy | 0 | - | 4.08 | 22,018 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,514 |
| Top World Languages | 0 | - | 4.91 | 709,484 |
| Beatles Songs Quiz | 0 | - | 4.95 | 208,374 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 274,240 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 30,554 |
| Australian Capitals | 0 | - | 4.92 | 60,799 |
| European Geography By Letter - A | 0 | - | 4.55 | 124,589 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,729 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,088 |
| European Geography By Letter - D | 0 | - | 4.53 | 99,700 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,266 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,605 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,839 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,567 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,580 |
| Europe Map Quiz | 0 | - | 5.00 | 4,301,991 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,169 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,640 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,307 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,960 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,038 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,223 |
| Capitals of German States | 0 | - | 4.71 | 27,232 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,676 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,742 |
| Name that Greek Letter | 0 | - | 4.94 | 296,277 |
| Ancient Greek Words | 0 | - | 4.90 | 97,732 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,160 |
| Countries by Official Language | 0 | - | 4.96 | 173,047 |
| Places in their Native Language #1 | 0 | - | 4.86 | 210,926 |
| Places in their Native Language #2 | 0 | - | 4.88 | 113,393 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,656 |
| Countries in their Native Language | 0 | - | 4.98 | 178,561 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,646 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 400,263 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,831 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,011 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,659 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,461 |
| Geography of the British Empire | 0 | - | 4.50 | 37,079 |
| Champions League Top 4 | 0 | - | 4.79 | 105,746 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,650 |
| Asia Map Quiz | 0 | - | 4.99 | 787,672 |
| Africa Map Quiz | 0 | - | 5.00 | 1,942,166 |
| Official Languages of South Africa | 0 | - | 4.54 | 24,932 |
| Oceania Map Quiz | 0 | - | 4.98 | 569,136 |
| European Physical Geography | 0 | - | 4.20 | 31,945 |
| History of Russia Quiz | 0 | - | 4.48 | 29,902 |
| Geography of Russia | 0 | - | 4.54 | 20,199 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,712 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,852 |
| British Monopoly Board | 0 | - | 4.51 | 39,278 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 80,156 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,282,990 |
| Countries of Africa | 0 | - | 5.00 | 2,174,001 |
| African East Coast | 0 | - | 4.97 | 84,412 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,095 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,502 |
| Australia Map Quiz | 0 | - | 4.95 | 320,101 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,205 |
| United States Map Quiz | 0 | - | 4.98 | 3,907,200 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,567 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,688 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,442 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 336,273 |
| European Geography By Letter - E | 0 | - | 4.21 | 105,584 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,405 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,030 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,239 |
| European Geography By Letter - I | 0 | - | 4.10 | 88,916 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,624 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,873 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,654 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,350 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,990 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,041 |
| European Geography By Letter - S #2 | 0 | - | 4.17 | 46,847 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,673 |
| European Geography A-Z | 0 | - | 4.37 | 45,471 |
